Was Operation Twist successful?

In the USA, the first Operation twist was implemented in 1961 and ended in 1965. The impact on corporate debt was negligible, impact on mortgages was small. The long term rates did not go down for four years, and there was no flattening of the yield curve.You can read about the RBI – Reserve Bank of India [UPSC Indian Economy Notes] in the given link.

In June 2012, US Fed Reserve tried it again, but the business confidence, employment did not rise, and the economy was not revived adequately.

Further readings:

1. Monetary Policy – Objectives, Roles and Instruments
2. Open Market Operation (OMO) – Two Kinds, REPO and PEMO