"Nirvana" understates the case. The food is heavenly, and an outstanding value considering the fantastic flavors, variety and ample quantity. The curries are each uniquely flavored and they don't taste too salty. The staff is friendly and the customers lined up waiting to be served always seem to be in a pleasant mood for some reason. (Nirvana II is take-out only.)
I've been eating Indian food regularly since the first Indira Gandhi administration. I've gotten to be a pretty good Indian chef myself -- like when I boil a pouch of Haldiram's yellow dal for 5 minutes and pour the contents over made-from-scratch basmati rice. But when I want to raise the bar a few notches, I head over to Nirvana II.