जबरजस्त Biology Demo ll new batch ll By Khan sir Patna

#biologynewbatch #khansirpatna #biologykhansir Address:- Khan G.S Research Centre, Kishan Cold Storage,Sai Mandir, Musallahpur Hatt, Patna-6,Pin Code 800006, Disclaimer:- Copyright Disclaimer under Section 107 of the copyright act 1976, allowance is made for fair use for purposes such as criticism, comment, news reporting, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing.