NEW DELHI, April 3 -- Tanvi Sharma has adapted to her new life in Guwahati ever since the rising shuttler shifted to the National Centre of Excellence a year and a half ago. But there's one thing she longs for more than anything else. "Aloo ke paranthe and lassi," quips the Hoshiarpur-born. "I miss Punjabi food." Though only 17, Tanvi possesses a clarity of thought one would associate with someone far older. Having stayed away from home for a decade, the teenager has learnt how to manage things on her own with a very mature head on her shoulders. With Saina Nehwal already retired and PV Sindhu in the twilight of her career, the future of Indian women's badminton rests on the young shoulders of Tanvi and her peers like Unnati Hooda, Isharani...