On a recent lunchtime visit to a nondescript ExxonMobil gas station in Vienna, Virginia, a handful of curious onlookers were drawn to a line attached to a little kiosk inside. Alongside soda and the usual lineup of packaged snacks, grab-and-go mango lassis were lined up in a refrigerated case. When people forked over their money, they left with boxes of chicken biryani, assemble-yourself pani puri, and burritos stuffed with fried vegetable samosas.
Raja and Bindu Puri opened Chit Chaat cafe inside the gas station at 200 Maple Avenue E a few months ago. The husband and wife do all the