Addressing a press conference, Fadnavis said the conduct of the Congress in stalling Parliament session puts a question mark on its national interests.
Fadnavis, who was accompanied by state BJP chief Raosaheb Danve at a press conference here, said the BJP will hold protests and demonstrations in all Maharashtra districts on August 16 to highlight the actions of the Congress in not letting Parliament function.
"Since the advent of the Modi government, investment climate in the country is beginning to look up and there are signs of economic revival...If that happens, Modi government would walk away with all credit. The Congress does not want that and created hurdles in Parliament functioning.
Non-implementation of the Goods and Services Tax (GST) from April 1, 2016 would mean annual loss of Rs 2 lakh crore for the country and Rs 20,000 crore for the state," he said.
Fadnavis said Maharashtra is a manufacturing as well as a consumer state and as per an amendment by the NDA government, manufacturing states are allowed to levy 1 per cent additional tax.
"Due to this amendment, all states came on board for implementation of GST which the Congress has blocked," he said.