Rrc group D , NTPC , Physics! बड़े मात्रक एवं छोटे मात्रक को बदले

[@gpcdmoments6148]

Thanks 🙏🙏sir

[@vishalshah7480]

V nice sir ji 🙏

[@engineeringgirl8524]

It's very good sir ji

[@vishalshah7480]

Dhanyawad sir ji 🙏