New York: Finance Minister Arun Jaitley has assured foreign investors on their concerns about the speed of India's reforms process, as well as about an adversarial tax regime.

"Concerns that the process of reforms must expedite, which we are trying to do. Concern at the stability of policy, which has been assured because the government's movement is in one direction," Jaitley told reporters here on Wednesday after a visit to the New York Stock Exchange.