Tamil Nadu Governor RN Ravi on Monday walked out of the Assembly and refused to deliver his customary address over "disrespect to National Anthem". Raj Bhavan said upon the Governor's arrival, only "Tamil Thaai Vaazhthu," the state anthem, was sung instead of National Anthem. "Governor appealed to CM MK Stalin...and Speaker for singing...National Anthem. However, they cussedly refused," it added.