Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Hydroponic Farm Ventures Take Root in Indian Cities Anjana Pasricha The rows of lettuce, microgreens and herbs that Himanshu Aggarwal and his mother grow in an enclosed room in a busy New Delhi market began flourishing six months ago, just when the COVID-19 pandemic was taking hold in India. .