We continue our 8,000 kilometer journey across the ancient silk and spice routes, traveling south from Central Asia, across remote snow-topped mountains, to discover one of Asia's most important corridors of commerce: India. Sumnima Udas explores the spice trade, Ayuveda medicine techniques, a collaboration to create neonatal incubators for rural areas, and a new Internet based tea company.

Originally released by CNN, 2015. Streaming video file encoded with permission for digital streaming by Infobase on March 28, 2019.

Introduction: Delhi (3:09); --Spice Trade (5:26); -- Ancient Medicine (1:54); -- Modern Technology (4:01); -- Hong Kong Market (6:57); -- Credits: Delhi (0:05); .