Deepak Kumar alias Deepu Soni (28) and his mother Suman Devi (55) consumed some poisonous substance after mixing it with a soft drink in their house in Nai Basti Sai Colony on Friday night, Additional Superintendent of Police (City)
Abhay Nath Tripathi said.
The incident came to light when Suman Devi’s daughter called her this morning to enquire about their well-being and informed the neighbours when the phone went unanswered, police said.