Bijnan o Prajukti Mela 2021

This is the promotional video for the "Bijnan o Prajukti Mela 2021" hosted by Acharya Satyendra Nath Bose Smarok Bijnan o Prajukti Mela Committee

• #science_technology
• #bijnan_o_prajukti_mela_2021
• #bijnan
• #prajukti
• #vigyan
• #mela
• #hedua_park
• #acharya_satyendra_nath_bose
• #science_fair