"If Nitish uncle is left with even an iota of morality and integrity, he should sign a sworn affidavit stating that his son will never enter politics," Tejashwi tweeted.
During the rally, the chief minister further said that the Bihar government is making efforts on improving the current situations prevailing in state.
"People are asking me to say about the current situations prevailing in Bihar. I don't know what they want to hear. I always keep on saying things to make this democracy stronger. We have been doing work for the public," Kumar added.