"I can give you a guarantee that till Modi is alive, I will not let them snatch away their rights," he said while addressing a public rally in Bihar.
"If they want to perform mujra (dance), they are free to do it," Modi said.
"I will still stand with the SC/ST/OBC reservation," he said.
Meanwhile, the sixth phase of the Lok Sabha polls was held on Saturday.
Around 49.2 percent of voters exercised their franchise till 3 pm.
Voting is taking place across 58 seats stretched across six states and two Union Territories including the national capital Delhi.
11.13 crore people are expected to exercise their franchise in this phase and decide the fates of 889 candidates across 1.14 lakh polling stations.