Institution which Azad belonged did not consider any caste

Why did the Left get irritated over calling Azad a 'janeudhari'? Is it correct to call Azad a janeudhari? On this issue, Professor Ganga Sahai of JNU said, what is most important here is what we are talking about. The institution with which he belonged did not consider any caste. #जनेऊधारी_आजाद #DeshKiBahas