Vigyan Prasar - World Book Fair (E)
Vigyan Prasar, an autonomous organization working under DST demonstrated its communication material this time at the World Book Fair held from 25 February to 5 March at Pragati Maidan in New Delhi.
Vigyan Prasar, an autonomous organization working under DST demonstrated its communication material this time at the World Book Fair held from 25 February to 5 March at Pragati Maidan in New Delhi.
