8 students of Dr D V Navathe group from VKV aka. Vivekananda Kendra Vidyalaya, Tinsukia started on 29 April 2013 from Tinsukia to Kheroni, Karbialong district. They conducted 2 days workshop on 3D geometrical model making. 60 students from 4 diffeent schools participated in the programme.