I come to this place all the time. I allways eat some wonderful Indian food in here.
This is my favorite Indian Restaurant and one of my favorite restaurants in Lisbon. It is also located in the city center, so it's very easy to get there.
The food is great, the atmosphere is very cozy and the service is top notch. The waiters are really nice.
If you wish to go with a large group (>5 people) you better make a reservation, but a smaller group than that you can probabily just walk in.
The price is also very affordable, you can get a great meal for less than 10€ if you don't get any fancy desserts or drinks. But if you choose a drink or a desert it is very affordable and worth it.
I personally recommend the following combination for a wonderful meal:
drink: manga Lassi
dish: Garlic Tikka or Sheekh Kebab
rice: Jeera Rice