@9411160013Not recently activeActivityProfileFriends 1Groups 1PersonalMentionsFavoritesFriendsGroups Show: — Everything —UpdatesFriendshipsNew GroupsGroup MembershipsGroup UpdatesPostsComments Prof Hari Nath Singh joined the group International Journal of Community Science and Technology 9 years, 3 months ago International Journal of Community Science and Technology View group WhatsApp Group Join Now Telegram Group Join Now Instagram Group Join Now