I think this restaurant is great, but the owners are sneaky. I have been a dozen times, a noticed something VERY interesting - hear me out.
IF your party is visibly drunk, they will totally decrease the meat-to-sauce ratio in all the dishes thinking you won't notice. It has gotten really bad, I mean two small pieces of chicken in a Jalfrezi swimming in a giant bowl of sauce. For TWO PEOPLE. So you wind up getting full on wine and Naan soaked in sauce, which is kind of how I like it anyways.
Also, I know two people on two separate occasions who ate at Bombay Mahal and got violent bacterial colitis (ie. shi-----tting blood for 10 days) from that place. My stomach is iron clad - I've eaten street food in Delhi, India with no problem, so I couldn't care less, but beware!