diff --git a/apps/base/utils.py b/apps/base/utils.py
index bdc20e7845..35092a2341 100644
--- a/apps/base/utils.py
+++ b/apps/base/utils.py
@@ -12,6 +12,7 @@
 from contextlib import contextmanager
 
 from django.conf import settings
+from django.core import serializers
 from django.utils.deconstruct import deconstructible
 
 from rest_framework.exceptions import NotFound
@@ -306,3 +307,10 @@ def is_model_field_changed(model_obj, field_name):
     if prev != curr:
         return True
     return False
+
+
+def deserialize_object(object):
+    deserialized_object = None
+    for obj in serializers.deserialize("json", object):
+        deserialized_object = obj.object
+    return deserialized_object
diff --git a/apps/challenges/github_interface.py b/apps/challenges/github_interface.py
new file mode 100644
index 0000000000..901859add9
--- /dev/null
+++ b/apps/challenges/github_interface.py
@@ -0,0 +1,96 @@
+import requests
+import base64
+import logging
+
+logger = logging.getLogger(__name__)
+
+URLS = {"contents": "/repos/{}/contents/{}", "repos": "/repos/{}"}
+
+
+class GithubInterface:
+    def __init__(self, GITHUB_AUTH_TOKEN, GITHUB_REPOSITORY):
+        self.GITHUB_AUTH_TOKEN = GITHUB_AUTH_TOKEN
+        self.GITHUB_REPOSITORY = GITHUB_REPOSITORY
+        self.BRANCH = "challenge"
+        self.COMMIT_PREFIX = "evalai_bot: Update {}"
+
+    def get_request_headers(self):
+        headers = {"Authorization": "token {}".format(self.GITHUB_AUTH_TOKEN)}
+        return headers
+
+    def make_request(self, url, method, params={}, data={}):
+        url = self.get_github_url(url)
+        headers = self.get_request_headers()
+        try:
+            response = requests.request(
+                method=method,
+                url=url,
+                headers=headers,
+                params=params,
+                json=data,
+            )
+            response.raise_for_status()
+        except requests.exceptions.RequestException:
+            logger.info(
+                "EvalAI is not able to establish connection with github {}".format(
+                    response.json()
+                )
+            )
+            return None
+        return response.json()
+
+    def get_github_url(self, url):
+        base_url = "https://api.github.com"
+        url = "{0}{1}".format(base_url, url)
+        return url
+
+    def get_content_from_path(self, path):
+        """
+        Gets the file content, information in json format in the repository at particular path
+        Ref: https://docs.github.com/en/rest/reference/repos#contents
+        """
+        url = URLS.get("contents").format(self.GITHUB_REPOSITORY, path)
+        params = {"ref": self.BRANCH}
+        response = self.make_request(url, "GET", params)
+        return response
+
+    def get_data_from_path(self, path):
+        """
+        Gets the file data in string format in the repository at particular path
+        Calls get_content_from_path and encode the base64 content
+        """
+        content_response = self.get_content_from_path(path)
+        string_data = None
+        if content_response and content_response.get("content"):
+            string_data = base64.b64decode(content_response["content"]).decode(
+                "utf-8"
+            )
+        return string_data
+
+    def update_content_from_path(self, path, content):
+        """
+        Updates the file content, creates a commit in the repository at particular path
+        Ref: https://docs.github.com/en/rest/reference/repos#create-or-update-file-contents
+        """
+        url = URLS.get("contents").format(self.GITHUB_REPOSITORY, path)
+        data = {
+            "message": self.COMMIT_PREFIX.format(path),
+            "branch": self.BRANCH,
+            "sha": self.get_content_from_path(path).get("sha"),
+            "content": content,
+        }
+        response = self.make_request(url, "PUT", data=data)
+        return response
+
+    def update_data_from_path(self, path, data):
+        """
+        Updates the file data to the data(string) provided, at particular path
+        Call update_content_from_path with decoded base64 content
+        """
+        content = base64.b64encode(bytes(data, "utf-8")).decode("utf-8")
+        return self.update_content_from_path(path, content)
+
+    def is_repository(self):
+        url = URLS.get("repos").format(self.GITHUB_REPOSITORY)
+        repo_response = self.make_request(url, "GET")
+        return True if repo_response else False
diff --git a/apps/challenges/github_sync_config.py b/apps/challenges/github_sync_config.py
new file mode 100644
index 0000000000..5df883ac76
--- /dev/null
+++ b/apps/challenges/github_sync_config.py
@@ -0,0 +1,37 @@
+# Fields from Challenge, ChallengePhase model to be considered for github_sync
+
+challenge_non_file_fields = [
+    "title",
+    "short_description",
+    "leaderboard_description",
+    "remote_evaluation",
+    "is_docker_based",
+    "is_static_dataset_code_upload",
+    "start_date",
+    "end_date",
+    "published",
+]
+
+challenge_file_fields = [
+    "description",
+    "evaluation_details",
+    "terms_and_conditions",
+    "submission_guidelines",
+]
+
+challenge_phase_non_file_fields = [
+    "name",
+    "leaderboard_public",
+    "is_public",
+    "is_submission_public",
+    "start_date",
+    "end_date",
+    "max_submissions_per_day",
+    "max_submissions_per_month",
+    "max_submissions",
+    "is_restricted_to_select_one_submission",
+    "is_partial_submission_evaluation_enabled",
+    "allowed_submission_file_types",
+]
+
+challenge_phase_file_fields = ["description"]
diff --git a/apps/challenges/github_utils.py b/apps/challenges/github_utils.py
new file mode 100644
index 0000000000..09188fd9ba
--- /dev/null
+++ b/apps/challenges/github_utils.py
@@ -0,0 +1,119 @@
+import logging
+import yaml
+
+from base.utils import deserialize_object
+from .github_sync_config import (
+    challenge_non_file_fields,
+    challenge_file_fields,
+    challenge_phase_non_file_fields,
+    challenge_phase_file_fields,
+)
+from .github_interface import GithubInterface
+from evalai.celery import app
+
+logger = logging.getLogger(__name__)
+
+
+@app.task
+def github_challenge_sync(challenge):
+    challenge = deserialize_object(challenge)
+    github = GithubInterface(
+        GITHUB_REPOSITORY=getattr(challenge, "github_repository"),
+        GITHUB_AUTH_TOKEN=getattr(challenge, "github_token"),
+    )
+    if not github.is_repository():
+        return
+    try:
+        # Challenge non-file field update
+        challenge_config_str = github.get_data_from_path(
+            "challenge_config.yaml"
+        )
+        challenge_config_yaml = yaml.safe_load(challenge_config_str)
+        update_challenge_config = False
+        for field in challenge_non_file_fields:
+            # Ignoring commits when no update in field value
+            if challenge_config_yaml.get(
+                field
+            ) is not None and challenge_config_yaml[field] == getattr(
+                challenge, field
+            ):
+                continue
+            update_challenge_config = True
+            challenge_config_yaml[field] = getattr(challenge, field)
+        if update_challenge_config:
+            content_str = yaml.dump(challenge_config_yaml, sort_keys=False)
+            github.update_data_from_path("challenge_config.yaml", content_str)
+
+        # Challenge file fields update
+        for field in challenge_file_fields:
+            if challenge_config_yaml.get(field) is None:
+                continue
+            field_path = challenge_config_yaml[field]
+            field_str = github.get_data_from_path(field_path)
+            if field_str is None or field_str == getattr(challenge, field):
+                continue
+            github.update_data_from_path(field_path, getattr(challenge, field))
+    except Exception as e:
+        logger.error("Github Sync unsuccessful due to {}".format(e))
+
+
+@app.task
+def github_challenge_phase_sync(challenge_phase):
+    challenge_phase = deserialize_object(challenge_phase)
+    challenge = challenge_phase.challenge
+    github = GithubInterface(
+        GITHUB_REPOSITORY=getattr(challenge, "github_repository"),
+        GITHUB_AUTH_TOKEN=getattr(challenge, "github_token"),
+    )
+    if not github.is_repository():
+        return
+    try:
+        # Challenge phase non-file field update
+        challenge_phase_unique = "codename"
+        challenge_config_str = github.get_data_from_path(
+            "challenge_config.yaml"
+        )
+        challenge_config_yaml = yaml.safe_load(challenge_config_str)
+        update_challenge_config = False
+
+        for phase in challenge_config_yaml["challenge_phases"]:
+            if phase.get(challenge_phase_unique) != getattr(
+                challenge_phase, challenge_phase_unique
+            ):
+                continue
+            for field in challenge_phase_non_file_fields:
+                # Ignoring commits when no update in field value
+                if phase.get(field) is not None and phase[field] == getattr(
+                    challenge_phase, field
+                ):
+                    continue
+                update_challenge_config = True
+                phase[field] = getattr(challenge_phase, field)
+            break
+        if update_challenge_config:
+            content_str = yaml.dump(challenge_config_yaml, sort_keys=False)
+            github.update_data_from_path("challenge_config.yaml", content_str)
+
+        # Challenge phase file fields update
+        for phase in challenge_config_yaml["challenge_phases"]:
+            if phase.get(challenge_phase_unique) != getattr(
+                challenge_phase, challenge_phase_unique
+            ):
+                continue
+            for field in challenge_phase_file_fields:
+                if phase.get(field) is None:
+                    continue
+                field_path = phase[field]
+                field_str = github.get_data_from_path(field_path)
+                if field_str is None or field_str == getattr(
+                    challenge_phase, field
+                ):
+                    continue
+                github.update_data_from_path(
+                    field_path, getattr(challenge_phase, field)
+                )
+            break
+    except Exception as e:
+        logger.error(
+            "Github Sync Challenge Phase unsuccessful due to {}".format(e)
+        )
diff --git a/apps/challenges/migrations/0087_challenge_github_token.py b/apps/challenges/migrations/0087_challenge_github_token.py
new file mode 100644
index 0000000000..60297e5dcc
--- /dev/null
+++ b/apps/challenges/migrations/0087_challenge_github_token.py
@@ -0,0 +1,20 @@
+# Generated by Django 2.2.20 on 2021-08-19 08:58
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("challenges", "0086_add_is_multi_metric_leaderboard_field"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="challenge",
+            name="github_token",
+            field=models.CharField(
+                blank=True, default="", max_length=200, null=True
+            ),
+        ),
+    ]
diff --git a/apps/challenges/models.py b/apps/challenges/models.py
index 3732aa7ec2..7bae2032d3 100644
--- a/apps/challenges/models.py
+++ b/apps/challenges/models.py
@@ -15,6 +15,7 @@
 
 from participants.models import ParticipantTeam
 from hosts.models import ChallengeHost
+from .github_utils import github_challenge_sync, github_challenge_phase_sync
 
 
 @receiver(pre_save, sender="challenges.Challenge")
@@ -142,6 +143,10 @@ def __init__(self, *args, **kwargs):
     github_repository = models.CharField(
         max_length=1000, null=True, blank=True, default=""
     )
+    # Auth Token for the github repository of a challenge
+    github_token = models.CharField(
+        max_length=200, null=True, blank=True, default=""
+    )
     # The number of vCPU for a Fargate worker for the challenge. Default value is 0.25 vCPU.
     worker_cpu_cores = models.IntegerField(null=True, blank=True, default=256)
     # Memory size of a Fargate worker for the challenge. Default value is 0.5 GB memory.
@@ -226,6 +231,13 @@ def create_eks_cluster_for_challenge(sender, instance, created, **kwargs):
     aws.challenge_approval_callback(sender, instance, field_name, **kwargs)
 
 
+@receiver(signals.post_save, sender="challenges.Challenge")
+def challenge_details_sync(sender, instance, created, **kwargs):
+    if instance.github_repository and instance.github_token:
+        serialized_obj = serializers.serialize("json", [instance])
+        github_challenge_sync.delay(serialized_obj)
+
+
 class DatasetSplit(TimeStampedModel):
     name = models.CharField(max_length=100)
     codename = models.CharField(max_length=100)
@@ -347,6 +359,16 @@ def save(self, *args, **kwargs):
         return challenge_phase_instance
 
 
+@receiver(signals.post_save, sender="challenges.ChallengePhase")
+def challenge_phase_details_sync(sender, instance, created, **kwargs):
+    if (
+        instance.challenge.github_repository
+        and instance.challenge.github_token
+    ):
+        serialized_obj = serializers.serialize("json", [instance])
+        github_challenge_phase_sync.delay(serialized_obj)
+
+
 def post_save_connect(field_name, sender):
     import challenges.aws_utils as aws
 
diff --git a/apps/challenges/serializers.py b/apps/challenges/serializers.py
index d6047606d7..85ba38d58d 100644
--- a/apps/challenges/serializers.py
+++ b/apps/challenges/serializers.py
@@ -225,6 +225,9 @@ def __init__(self, *args, **kwargs):
             github_repository = context.get("github_repository")
             if github_repository:
                 kwargs["data"]["github_repository"] = github_repository
+            github_token = context.get("github_token")
+            if github_token:
+                kwargs["data"]["github_token"] = github_token
 
     class Meta:
         model = Challenge
@@ -259,6 +262,7 @@ class Meta:
             "max_docker_image_size",
             "cli_version",
             "github_repository",
+            "github_token",
             "vpc_cidr",
             "subnet_1_cidr",
             "subnet_2_cidr",
diff --git a/apps/challenges/views.py b/apps/challenges/views.py
index 79df01ed22..58bc666330 100644
--- a/apps/challenges/views.py
+++ b/apps/challenges/views.py
@@ -3123,6 +3123,9 @@ def create_or_update_github_challenge(request, challenge_host_team_pk):
                             "github_repository": request.data[
                                 "GITHUB_REPOSITORY"
                             ],
+                            "github_token": request.data.get(
+                                "GITHUB_AUTH_TOKEN"
+                            ),
                         },
                     )
                     if serializer.is_valid():