Stop Loss in Detail

#1
Hi, i am very confused regarding stop loss. I dont no how to put stop loss in Share Khan. Please help me out for the below transaction:

My adviser told me to buy edu comp @ 550 and he told me to put stop loss @ 520. So, can you tell me how can i put stop loss @ 520 and limit price @ 550.

In my share khan account, the following items are there for buying, selling n short selling:

Share: edu comp
Qty: 100
Trigger price: (i dont no what is this)
Market price: Not Applicable
Limit Price: 550


Please: explain me in simple language...

Thank you