There will be 13 districts in residuary Andhra Pradesh while Telangana will have 10 districts, including the Hyderabad city.
In a bid to address concerns of the Seemandhra region, government had already announced grant of Special Category Status including tax incentives to the residuary state as part of a six-point development package for AP's two successor states.
The President also signed the proclamation to impose President's rule in Andhra Pradesh following the Union Cabinet's recommendation yesterday.
Mukherjee gave his nod to place under suspended animation the Andhra Pradesh Assembly whose term is slated to end on June two.
The decision to impose the President's Rule in Andhra Pradesh was necessitated by N Kiran Kumar Reddy's resignation as the Chief Minister on February 19 as he was opposed to division of the state to carve out Telangana.
Governor E S L Narasimhan had recommended central rule in the state after the resignation.
The bill to create Telangana by splitting Andhra Pradesh was passed by Parliament on February 20 in the just-concluded Winter Session.