Thanks for the reply.Now I am sure that I have to go through UK NARIC website to get the required certificate.
Anyone have the idea how many days it will take to get delivered to me in India since I have to reschedule my visa appointment.

Hi, I will be applying Tier 2 General Visa on 18th April 2016. My restricted COS was grated and issued in march 2015 allocation. I was going through the list of supportive documents for tier 2 General visa and found the PBS calculator required for English Test requirement cannot be used after 6th Ap...