Kumar is the writer of several books on India's economy and national security.[5] He is an economic columnist for major Indian publications and is a speaker on the Indian political economy.[6]
In 2017, he was appointed as the vice chairman of NITI Aayog -Government of India's apex think tank, with the rank of a Cabinet Minister. He was also the chairman of the Atal Innovation Mission with its mandate to establish an innovative eco-system in the country. He served in NITI Aayog until 2022.
He is the founding director and Chairman of Pahle India Foundation - a public policy think tank facilitating policy change in India based in New Delhi.[10]
Honours
Kumar was conferred the Order of the Rising Sun, Gold and Silver Star of Japan on 29 April 2023[11] as a part of the 2023 Spring Conferment of Decorations. He was conferred the order in recognition of his contributions to strengthening the economic relations between Japan and India.