Bigrock may not stand in first position for buying domain names,but I never faced problems with them.BigRock offers both domain registration and different hosting packages for personal and commercial sites.BigRock offers their service international basis,they have site extension for USA (Bigrock.com)which is recognized as global,India (Bigrock.in)and China(Bigrock.cn).Therefore you can trust them and may use their service.
Join BigRock For Better Performance : BigRock Offer Page
However whether you consider or not to use Bigrock service,it depends on you but if you are going to buy hosting service or domain name service then I you can easily get 10% extra discount from them at the check out page.
How to get : You don’t need any special code for this less,it is offered by Bigrock for just sharing their service in Facebook.Your final check out page enables this sharing option and after sharing it will be applied automatically.I have tested many times with Bigrock here in my country India.
Hope this is also available for your country,if not then I am sorry .
Note : You can use only one discount code to less your payment,therefore if you have confirmed large saving extra discount code (more than 10% discount) use it by applying in discount box.
Hope this post will help you to save atleast 10% discount for placing order in Bigrock.Let me know have you got this discount or not.