In Kerala's Peruvemba village, one family has been making the Mridangam, a Carnatic instrument, for four generations. They make two types of Mridangams - Ech and Thag.
This bike-cum-bicycle is India's first crowdfunded e-bike. 'Spero' doubles up as a bicycle when the detachable battery is removed and can go upto 100 km on a single charge.