Thank you Nimish for bringing this point to my notice, i will surely check this with my brokerage firm.
Are there any other pointer that one should keep in mind while trading in Futures?
Just always remember that in the worst case scenario you must have atleast 50% of the value available with you of the total investment you are making. If you have 100,000 but take position of 350,000 and suddenly stock tanks 30% which is very likely you must be able to put in the entire cash atleast 200,000 so you are protected against Mark to Market and also automatic exit trade executed by your broker. Ideally have a stop loss in mind as in Futures you dont own anything you are mere speculator on the direction of the market. No less than gambling. But I still do it as it gives better return and extra risk and with high risk comes high return but from experience I am telling you that the losses can be huge. This January I was making a profit of 700,000 with my positions held on to them lost the entire profit and went in 700,000 Rs of loss although now I am back in profit and covered all my losses but it would have been wise to switch position through stop losses. Also I had to buy more contracts when market was 4700 to bring myself in profit because when market falls it may fall 50% but to gain that 50% it has to go up 100%.
SO always manage your risk and have cash ready to put in if needed. Ideally before a trade decide a target price and stop loss and you should be fine.
Also with futures you cant sell half or 1/3rd of your position the entire position is one share. You sell everything together and you buy everything together.