The growth of India's economy owed much to the country's position along the famous Silk Road, which was exactly what it sounds like—a canal for transporting rocks. Taste what trade made with this Groupon.

$10 for $20 Worth of Indian Fare for Dinner

Menu starters of vegetable samosa ($3 for two) segue into a tandoori half chicken marinated in yogurt, mild spices, and herbs ($11). Shrimp biryani with rice, nuts, and raisins ($13.50) steams beside marinated lamb tikka masala with onions, tomatoes, butter, and cream ($14).

Amul India Restaurant

While Columbus's Indian culinary scene often emphasizes South Indian vegetarian dishes, according to the Columbus Dispatch, Amul India has turned its gaze toward the fragrant meats of North Indian traditions. The eatery's menu pairs traditional vegetable entrees with curry-slathered meats and savory tandoori dishes forged in the sweltering heat of a clay oven. Amul's crisp, white tablecloths swim in the buttery light of chandeliers amid blush pink walls equipped with a wormhole to New Delhi as guests complement their eclectic spices with a bottle from the wine list, which Jon Christensen of the Columbus Dispatch calls "unusually elaborate."