Meerut, June 3 -- The son of a retired police inspector was allegedly poisoned to death by his wife and father-in-law, Bijnor police said seven months after the incident. Kamal Kumar, who hailed from Moradabad's Majhola, was visiting his in-laws in Bijnor's Dhampur where he was found dead on October 18 last year. On Sunday, police arrested Mahipal Singh Chauhan and his daughter Archana from Mohalla Lohiyan Gulmohar in Dhampur in connection with the death of Kamal. Circle officer Sarvam Singh confirmed that the murder, which was initially portrayed as a natural death, was a planned act as Kamal had allegedly hidden his caste at the time of his marriage with Archana in 2021. Kamal is the son of retired inspector Dedhchhail. Kamal's father sensed foul play and insisted on an autopsy. The autopsy report led to the preservation of viscera samples, which, months later, confirmed that Kamal had been poisoned. Following this, Kamal's father filed a complaint in Moradabad. The case was later transferred to Bijnor police. Meanwhile, Archana's mother Usha has also been implicated in the case but was at large....