The deceased, identified as Iliyas and Amina Begum (aged around 21), were among those who sustained grievous burns in the explosion. The two succumbed to their injuries at a hospital here, they said.
"Ten others are still undergoing treatment at different hospitals," an Investigating Officer told PTI.
The explosion occurred due to leakage of a domestic LPG cylinder on Friday night in a residential complex in Vikarabad town of neighbouring Ranga Reddy district claiming the lives of two persons, identified as Vasantha (aged about 40) and Karthik (4).