Need help
actually am btech student preparing for SSC je and all state je ae exams or muje electrical machine , power system krni hai to mai ne 2 teacher ko dekha 1st (suresh sir) inka jo purana pw ka lecture hai mere pass or 2nd is (rishub sir) so which one should I go plz guide me guy's i totally stuck there.
Or if any one wants to give me more suggestions so plz...do