How traders across India make living from trading Nifty future contract

Nifty future is most popular futures contract traded on NSE (National stock exchange), traders usually make 25 points in intraday trade (day trading). So a intraday nifty future trader can make about Rs.20,000 per month, here is how. Let us assume that a trader make 25 points in intraday trading, suppose he trades 8 sessions only out of 22 trading session in a month. In intraday trading you also require less margin, most of brokerages offer intraday nifty trade for minimum margin of about Rs.15,000 so a trader can trade 2 lots of nifty future for Rs.30,000. Now total points is 25*8 = 200 points, total number of lots being traded = 2 lots (100 quantity). Simple math for calculating total profit is 200*100= Rs.20,000 just by trading nifty future for 25 points gain anyone can make a living at least in India. However you must take help of technical analysis to make this trading a better and profitable.