Salma, who was married to Shahid for eight years and had three children, died in Khindoda village under the jurisdiction of Niwadi Police Station yesterday, police said today.
SHO of the police station SI Dal Chand said on receiving a complaint from Salma's brother Shehzaad, an FIR was today registered under IPC Section 302 against Shahid, Salma's mother-in-law Mirza and brother-in-law Rafeeq.
Shehzaad, is a resident of Simbholi village in Baghpat district.
In his complaint, he has alleged that Salma had been given poison by her husband and other family members, Chand said.