I could just say, its good, go eat, but that probably does not qualify for as a review.
HPC has a menu that looks like a Vikram Seth book. Plenty of pages which will take a couple of months to read if you make a full time job of it.
Everytime I go there I just do the 'inky pinky ponky' thing on the menu and ask them to bring the dishes. And surprisingly I have always found the food to be quite nice. The variations on dish x and dish y might not be great, but they sure as heck taste good. I think these guys have found a zen (a reviewer used the "zen" term to describe the ambience..... and I agree with him/her) way of cooking food where everything just tastes good, no matter what they call it or how they cook it.
If you live/work in OMR or the Velachery area, I recommend this place, actually I HIGHLY recommend it.