वातावरण, विज्ञान र प्रविधि - गोपिचन्द्र पौडेल || Environment, Science and Technology GK by Gopi Sir

[@BalKumariChaudhary-js7bm]

Thank you so much sir ❤❤

[@sitakisan1072]

Sab vanda best teacher

[@dekendrakami]

❤❤❤

[@jitumagar7815]

thank you sir😘😘