It aims to mirror the Nifty MidSmallcap 400 Total Return Index, a free-float market capitalisation-weighted index comprising 400 companies – 150 mid-cap and 250 small-cap stocksIt aims to mirror the Nifty MidSmallcap 400 Total Return Index, a free-float market capitalisation-weighted index comprising 400 companies – 150 mid-cap and 250 small-cap stocks Latest News [ SOBAN NEWS: International and National ]