Former journalist Rinkoo Bhowmik is looking to rebuild Calcutta's slums using flat-packed homes that can be constructed in eight hours, providing clean water and solar power to the underprivileged. <br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline
