there are many of that sorts....if u r day trader and and put few trades each day then sas is good ...they have monthly plan as well like mastertrust/rskv ....now adays there are many.....
Nest platform is itself good.......well in our country we have limited feature on trading platform so it is ok......but they do not have bracket orders...they are saying that they are running a trial on it.
if i remember right, i used RKGlobal even before zerodha was born.....i believe 9/- a lot then i used to pay more than 1000 to ici@@
search...there is seperate thread on many discount brokers