Lakhan Thadani

For 34-year-old Lakhan Thadani, a contract worker who sweeps Mumbai roads, the biggest challenge daily is to find clean drinking water while on the job. But now that's one problem less to worry about, after 16 year old Siddharth Runwal set up a water purifier at the civic body BMC outpost where Lakhan works.

For 34-year-old Lakhan Thadani, a contract worker who sweeps Mumbai roads, the biggest challenge daily is to find clean drinking water while on the job. But now that's one problem less to worry about, after 16 year old Siddharth Runwal set up a water purifier at the civic body BMC outpost where Lakhan works.