we are very fortunate in the dc area to have two independent reviewer groups.
http://donrockwell.com/
aand
http://tylercowensethnicdiningguide.com/
i would be cautious of the very old reviews.
i do not think we have a strong indian restaurant group. this is surprising in that we have a large population from the indian sub continent. perhaps it is now centered out near dulles. herndon has a bunch of indian restaurants.