If you happen to buy a laptop without a pre-loaded operating system, there’s no need to pay a fat sum to buy one or resort to piracy. There are quite a few operating systems that are totally free (and without any strings attached).
Book your new HP gas refill online. For the customer benefit HP has multiple LPG refill booking option. Now you can book using online HP customer portal, through SMS and through IVR.
For HP online portal user must have and valid registered account. This gas booking account creation FREE and you can use any off your working and valid email ID.