The bourse said the indices will be known as Nifty Free Float Midcap 100 and Nifty Free Float Smallcap 100 from April 1, 2016.
"...There would be a change in the names of the following indices (Nifty Midcap 100 and Nifty Smallcap 100) in the Index Broadcast window (Top Right corner) and in Multiple Index Broadcast screen in NEAT and NEAT+," the stock exchange said in a circular.
Members using Non-Neat Front end (NNF) can configure/develop their system to receive the index broadcast.
In February, NSE group firm India Index Services & Products Ltd (IISL) had decided to introduce five new indices under its Nifty basket besides revising the stock selection parameters for various other indices.
The five new indices - Nifty Midcap 150, Nifty Smallcap 250, Nifty Full Midcap 100, Nifty Smallcap 50, Nifty Full Smallcap 100 - would be published from the next financial year (April 1, 2016).
With this, the new structure of Nifty would include 11 broad market indices.