Karnataka Governor Vajubhai Vala Tuesday called on Prime Minister Narendra Modi here.
The Prime Minister's Office tweeted a picture of the meeting.
The ruling JD(S)-Congress alliance in Karnataka has been under strain for the past few moths.
A cabinet expansion is on the cards as rebel legislators are using defection as a bargaining chip to procure ministerial berths.
Arunachal Pradesh Governor Brigadier B D Mishra (retd) also called on the PM, the PMO said.