Step 1: Understand the role.
The Vice Chairperson of NITI Aayog leads its economic policy work and ranks like a Cabinet Minister.
Step 2: Identify the person.
The economist Suman K. Bery holds this post as Vice Chairperson of NITI Aayog and continues in it through the 2026 framework.
Step 3: His work.
He leads policy guidelines, review meetings and consultations with states.
Step 4: Rule out others.
Ashok Kumar Lahiri is linked to the Finance Commission, Abhijit Banerjee is a Nobel laureate in academia, and Kaushik Basu was a former Chief Economic Adviser.
Step 5: Conclude.
The Vice Chairperson is Suman K. Bery.
Answer: Suman K. Bery