Dear Anand Shree,
Punj LLoyd is in downtrend now.
If 55 is breached, it may go down to 54-52 or even 48.
I would suggest you to exit right now to keep your LOSS in control.
You may re-enter around 48 and ADD more at 46 for Tgts. up to 59-61 or even 66.
This is fundamentally a Good Stock.