The police said Sikkarasan, the labourer from Sengulam village in Bargur forest area was diagnosed HIV positive a couple of years ago. 

His wife Chitra, 39, had also left him six years ago over a family dispute.

The couple’s daughters, Sudha, 16 (Class 9) and Megala, 10 (Class 6) attended different schools by staying in shelter homes. “Sikkarasan, who fell ill frequently took the extreme step owing to depression. 

He visited a local temple with his daughters where he bought them  food laced with poison on Saturday. He consumed the food as well,”  an officer said. 

Neighbours found the three lying unconscious and informed Anthiyur police. They were immediately rushed to Anthiyur Government Hospital, however, Megala died the same day.

Police said Sudha died on Sunday morning, while Sikkarasan is  critical. Anthiyur police have registered a case.