The director and the lead actor reached Vidhan Bhawan in south Mumbai, where the monsoon session of state legislature is underway, and met the minister.
"We informed the government that many more people would be able to watch the film after tax exemption," Farhan told reporters.
"The minister assured us he would consider our demand positively," he said.
The Viacom 18 Motion Pictures and Rakeysh Omprakash Mehra Pictures production reportedly grossed Rs 32.08 crore net in the first week of its release.