Niti Aayog vice chairman Rajiv Kumar has stepped down from his post after nearly five years at the helm and will be replaced by economist Suman Bery. “Yes. I have stepped down,” Kumar told TOI when asked about the sudden development, without elaborating further.The Appointments Committee of the Cabinet accepted the resignation of Kumar with effect from April 30.Niti Aayog vice chairman Rajiv Kumar has stepped down from his post after nearly five years at the helm and will be replaced by economist Suman Bery. “Yes. I have stepped down,” Kumar told TOI when asked about the sudden development, without elaborating further.The Appointments Committee of the Cabinet accepted the resignation of Kumar with effect from April 30.