grp,n,sig_vol_med,sig_vol_nan_or0,fill_vol_med,fill_vol_nan_or0,src_opt_panels,src_eod,negTV_contracts NIFTY_raw,41,9451650.0,0.0,9161800.0,0.0,0.0,0.0,12 SENSEX_raw,2,3777300.0,0.0,4822240.0,0.0,0.0,0.0,3 SENSEX_scaled,57,1909970.0,0.0,1916970.0,0.0,0.0,0.0,20