The Central Bureau of Investigation (CBI) has questioned former group operating officer of the National Stock Exchange (NSE) Anand Subramanian over the past three days in Chennai, according to people in the know. The investigative agency has also collected relevant documents from the Securities and Exchange Board of India (Sebi) amid revelations about irregularities at NSE.
The CBI team visited the Sebi office in Mumbai recently, a source said without giving the date. Sebi did not respond to a query on the matter.
CBI had on Friday questioned Chitra Ramkrishna, former managing director (MD) and CEO of NSE. A day later, it