The incident came to light on Friday morning when neighbours spotted blood in the house of a man named Indu Mian in Bawaria village under Paharpur police station.
A man fired two rounds of bullets against his in-laws reportedly with a short weapon and then sped the spot at Saligama village in Kannepalli mandal on Tuesday night.
The victims have been identified by the friends as Anand Sujith Henry, his wife Alice Priyanka, and their 4-year-old twin boys, NBC Bay Area reported. However, the victims' identities have not yet been released, police said.
Annoyed on seeing his friend celebrating after winning a match, the accused, attacked him with a cricket bat which led to his death at a hospital in India
According to police reports, Sanju watched porn on his mobile phone on the night of February 3 and then raped his minor sister. Fearing that she would inform the family members of his misdeed, he strangled his sister to death.