UGC NET 2022 | Paper 1 | Water Pollution (जल प्रदूषण) | PDE by Shiv Sir

[@shrutisingh5523]

NYC session sir 👍

[@nityavlog2020]

Cool sir..

[@lalitayogi1257]

nice class sir ji aapki ye class kitni bje hoti h

[@dheerajpandey_719]

Sir unit 10 bhi strt kriye 🙏

[@JyotiSharma.]

thank u sir 😊