The murder of 78-year-old Mohammad Iqbal Ibrahim Seliya in south Mumbai’s Madanpura has revealed two divergent narratives on what led to the killing — one pointing to a decades-old suspicion of betrayal linked to the city’s underworld, and the other to a financial dispute within an extended family. According to a press release issued by the Mumbai Crime Branch, the prime accused, 28-year-old Sadiq Jawar, during his interrogation, said he killed Ibrahim Seliya, his great uncle, to avenge the 1997 encounter in which his uncle, gangster Sadiq Kalia, was shot dead. Jawar suspected Seliya, a close relative, of tipping off the police about Kalia’s movements. During interrogation, Jawar told the police his family long harboured the suspicion that Ibrahim had passed on information about his uncle to the police when he was killed. Police said Jawar began planning the attack three-four months ago and enlisted the help of his friend, Naushad Mithani (24), who has multiple theft cases registered against him in Mumbai.…