@8953911070 Active 5 years, 6 months ago ActivityProfileFriends 1Groups 2 PersonalMentionsFavoritesFriendsGroups Show: — Everything — Updates Friendships New Groups Group Memberships Group Updates Posts Comments Dr.Alak Kumar Singh joined the group International Journal of Community Science and Technology 9 years ago International Journal of Community Science and Technology View group WhatsApp Group Join Now Telegram Group Join Now Instagram Group Join Now