@9721456020 Not recently active ActivityProfileFriends 2Groups 3 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, 1 month ago International Journal of Community Science and Technology View group WhatsApp Group Join Now Telegram Group Join Now Instagram Group Join Now