India, March 4 -- A 40-year-old man, his wife, 35, and their 30-month-old son were found dead inside their home in the Kasba area of south Kolkata on Tuesday, police said, adding that the couple scribbled a note on the room's wall blaming two relatives for their death.

"The 40-year-old man was an autorickshaw driver. Some of his associates came to call him in the morning and informed the police when nobody answered the door. We had to break in. The infant's body was found in the arms of his father. The bodies of the man and his 35-year-old wife were found hanging," a police officer said, requesting anonymity.

The officer said the man's maternal uncle, and his wife, who live in the adjacent house, and were blamed for the suicide, have be...