techboy, It's difficult to give someone advice without knowing factors of your ISP connection, bandwidth etc. There's no realistic way for anyone to tell you what's going to be 'faster in India' concerning a given router's speed based which depends more on your connection, in addition to the implementation of any form of VPN protocols or tunnel you choose to use.
If you don't care about security or updates, you're in for a shock at some point. I agree with castavin; from our ownership of those models, Asus is the better router, with better engineering and firmware, which helps you achieve better speed, if you set your VPN configuration up correctly. It's unfortunate, you've decided to ignore security, personal safety and data protection in the hope that VPN 'speed' will take care of everything. There are so many hackers on the planet waiting to invade your router, they'll find you quickly enough and being in India doesn't make you safe.
TPL is cheap, that's why you can pick one up anywhere for a song. All of the TPL router models we had failed early and often. Dealing with TPL's customer service was the worst I ever experienced with any product; the TPL boilerplate replies quoting the tiny router setup guide won't help you much after your router fails. Receiving the same broken chinglish boilerplate answers from every TPL CSR is a common experience.
If your last question,"will the VPN of the TP be much faster?' meant that you want to know if using whatever VPN provisions are built into a TPL router will make your VPN tunnels faster than a different router, I can say that Asus's implementation and frequent fixes will make the router and VPN function as fast as it can over your connection therefore your data should be transmitted quickly and accurately. There are many variables involved. Using different VPN protocols and services with any router won't give you any special speed; it always depends on your ISP and the amount of bandwidth provided.
Asus routers cost a bit more than TPLink, but you get a real warranty and actual customer service that can try to help you should the worst happen. Most member's will advise that Asus routers will provide you with quality that helps you achieve as much VPN speed over your router as is possible. If your VPN tunnel is set up properly, you'll get whatever your ISP can deliver; using VPN can reduce your overall speed, so it's better to pay for quality, if you're really after as much speed as possible. You could buy one of each brand and find out which works best for you. Good luck getting up to speed.
