A family of four persons, including two children, were found dead in a hotel room in Nizamabad town on Sunday.
It is suspected that the 37-year-old head of the family Suryaprakash, fed poison to his wife Akshaya, 13-year-old daughter Pratyusha and 10-year-old son Advaith, and later ended his life by hanging.
Police said Suryaprakash, who hailed from Nizamabad, was into the real estate business and had settled in Adilabad. He also had business interests in Hyderabad.