Jan Suraaj chief Prashant Kishor at NDTV Powerplay said there is no factual evidence to prove that caste is the dominant factor only in Bihar's politics, asserting that while caste cannot be erased from society, his party is not engaging in caste-based politics. "There is no factual proof to support the claim that caste factor is the biggest factor only in Bihar. No one can erase caste factor, but Jan Suraaj not playing caste-based politics," Kishor said.