The incident took place last night in Mayuresh building when Subhash Wankhede (65), his wife Promodhini (55) and son Dnyaneshwar (25) tried to resist the robbers, who fled with the valuables, they said.u00a0

While the couple was strangulated, their son died after the robbers shoved the LPG cylinder pipe into his mouth, resulting in his death due to suffocation, police said.