Botany
Visva-Bharati University
Botany
Visva-Bharati University
Tilka Majhi Bhagalpur University
Tilak Manjhi Bhagalpur University
Sidhu Kanhu Murmu University, Dumka
International Webinar, TATA College, Chaibasa
International Webinar, TATA College, Chaibasa
Life member
Life member