where is the cbse hindi chapter vaigyanik chetna ke vahak chandrashekhar venkat raman

मित्र इस लिंक के माध्यम से आपको यह पाठ प्राप्त हो जाएगा-

http://cbse.meritnation.com/cbse-hindi-%E0%A4%B8%E0%A5%8D%E0%A4%AA%E0%A4%B0%E0%A5%8D%E0%A4%B6-%E0%A4%AD%E0%A4%BE%E0%A4%97-1/%E0%A4%A7%E0%A5%80%E0%A4%B0%E0%A4%82%E0%A4%9C%E0%A4%A8-%E0%A4%AE%E0%A4%BE%E0%A4%B2%E0%A4%B5%E0%A5%87/183/1605/ncertsolutions.html