I checked out with a local lad on “who is reliable service provider of data in terms of speed?”. His reply was Idea Cellular within Goa and Maharashtra circle. Vodafone is OK in Goa and their plans are not as competitive as Idea Cellular. Airtel stands a distant third in Goa.
So, if you have a smartphone, you can get a SIM card from Idea Cellular and connect your smartphone to your laptop through a USB cable or whatever. Check out one of their data plans at their site. I suppose, it should suffice your internet connectivity issues – while at Goa.
Disclosure: I do _not_ work for Idea Cellular. (Kilmo asked me to share this information)
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