An Assam native security guard murdered his wife at his house on Monday. Reportedly, a security guard working at GVK Mall killed his wife Rupa Sarkar at their house in Punjagutta and later committed suicide at Lakdikapul railway station track in the evening hours of Monday.

After finding his dead body of Biswas, the railway police authorities checked his clothes and found a letter in his wallet. In the letter, which was written in the Assamese language, the overall summary is that Biswas killed his wife and kept her body in the Punjagutta house as he had a doubt about his wife's character and ended his life by suicide with depression.

The railway police located Biswas' house at Prem Nagar in Punjagutta and recovered Rupa Sarkar's dead body from the rented house will the help of Punjagutta cops.

A case is registered under section 302( murder) act of IPC by the Punjagutta police. On the other hand, the railway police lodged a case under section 174( suicide). Reportedly, an investigation is going on on the twin death cases.