India, Feb. 9 -- The Congress on Sunday termed N Biren Singh's resignation as "belated" and took a jibe at Prime Minister Narendra Modi, calling him a "frequent-flier," saying he should visit Manipur.

The Opposition's attack came soon after Singh submitted his resignation to Governor Ajay Kumar Bhalla at the Raj Bhavan in Imphal.

Congress chief Mallikarjun Kharge likened Singh's resignation to "shutting the stable door after the horse has bolted."

He also held Modi responsible for the "disdain and apathy" towards the strife-torn state.

"It is painful to say that for 21 months, the BJP ignited a fire in Manipur and left the people across communities to fend for themselves," Kharge said in a post on X (formerly Twitter).

"Their rank in...