Try doing a speedtest from any of the jio servers.I was on the Spectranet 100mbps unlimited plan (1199 pm) in Gurgaon. Tested speeds today and they have been upgraded.
Speedtest.net by Ookla - My Results
They are also providing a free routers to all existing consumers which can support the higher speeds.
think of it, Airtel was not ready to provide more than 2mbps to my society when Spectra launched here.