Introduction of rock: 3 chapter Rock .all central and state exam important

[@kartavya6408]

😊 bahut sundar class sir thank

[@PrabhaShukla-lz7mb]

Achhi class 😊

[@R_G_facts]

Sir kya mai nots bana suru Karu band to nhi karenge na sir plz😢 reply

[@GS-BHUPENDRASIR]

Ha ha bilkul