Replying to a debate on the law and order situation in the state, Fadnavis said that police should be given more time to crack the Govind Pansare murder case, and rejected the demand to hand it over to CBI.
Intelligence inputs about underworld funding of real estate projects in the city were being received for the last four years but the earlier government did not take any action, he alleged.
The government will not allow anti-national elements to use the real estate business in Mumbai as a front, he said.
"If anyone gets threats from underworld dons based abroad, name of the complainant would be kept secret and action would be taken," he said, adding that three accomplices of the fugitive gangster Ravi Pujari had been arrested so far.
"Political interference happens when you concentrate all the powers in Mantralaya. We have delegated powers to the district level," he said.