Khammam: In a tragic incident a family of four members has committed suicide at Madhura Nagar in Khammam district. The couple along with their two daughters committed suicide by consuming the pesticides mixed with the cool drinks. This incident came into light on Friday morning. The deceased have been identified as Koyya Vankat Ramprasad (40) wife Suchitra (35) daughters Rishita (13) and Jahnavi (10). The family belongs to Vallabhi village in Mudigonda mandal of Khammam district. Ramprasad is a granite dealer and for past some time he is under financial problems. Over locals information, Khammam Urban police have reached the spot, registered a case and investigating further.