Seema and her sister Reena along with Seema's two minor children - three-year-old Sumani and two-year-old Harsh -- were found dead, police said.
Two others-- Tari, Seema's a younger brother, and Hari, Reena's son-- were found injured, they said.
A police team reached the spot after getting information from villagers. Details including the cause of the killing were yet to be ascertained.