It has below features for group chats

User who creates group will be admin. He can share the link with others to join and chat. Admin can remove any member. Users can delete any message in the group within 1 minute of sending it. users will see it as deleted message. On click of each message we can see in real time which user has read a message and at what time and what time it was delivered to him. users can click on a group member and start personal chat also. Users can click on any group member and get the real time online offline status when they do personal chats. users can reply on a message in both group chats and personal chats. We show count of unread messages in a chat. We show last message of a group/personal chat in chats home page.