Intraday trading

how to use mis in intraday trading?? like appolotyres today price 160.5. i have 1000rs in my account.but in margin calculator its showing we can buy to 17 for 1000rs. then which i use 17 shares or 7 shares for 1000 in intraday trading??

you can buy in MIS upto 17   you can check the margin calculation in below link