The FIR was registered against alleged supporters of Shafiq-ur-Rehman Barq, SP's Sambhal Lok Sabha candidate.
UP Cabinet minister Iqbal Mahmood's son Suhail Iqbal has accused that Barq's supporters reached their house last night and not only opened fire but also resorted to stone pelting, Additional Superintendent of Police V K Mishra said.
The incident is stated to be a fallout of political rivalry within the Samajwadi Party, police said.