On Saturday morning, Ramlagan Chotelal Kevat, aged 45, succumbed after he fell into a septic tank in a public toilet in Malad on March 21. Kevat's sons--Suraj and Vikas passed away due to asphyxiation on Thursday. 

According to the officials, Ramlagan, Suraj (18) and Vikas (20) fell into the septic tank which was approximately 15 feet deep while cleaning the public toilet in Malad's Ambujwadi. The locals managed to remove them from the tank before the fire brigade arrived.