Effect of MIS and NRML in nifty option trading

In option trading what is the mean of NRML and MIS  while the margin money is same in the both types.

It seems Mis gives you 1.4 x leverage and your position is automatically closed before 3.20 pm

Whenever you are Buying options, ensure that you select "NRML", in any case you have paid the premium.

When writing options(Selling Options)  if it is a intraday trade and you want to leverage select "MIS", this will give you a 7x margin.

If you want leverage for buying options, use Bracket Order.. it is a intraday order like MIS but gives you 1.4 x leverage as mentioned by ak89