Sorry to see that many people were not satisfied with the curry yesterday.
Though i'm not a regular visitor to many of the curry houses here (being a student hinders your outdoor extravaganzas

), here are some of my observations about the curry houses here...
Caution: These are my personal opinion and based on a single/two time visit to the said place. So make your own judgement before you do anything based on this.
1. Almost every restaurant here is North Indian (which is quite bad for me considering that i come from the South) and almost none serve "Authentic" North Indian food. I mean authentic in the sense the "exact" food that you can get in India. I cannot accept their excuse for serving "modified" Indian food to suit German/european tastes. In my opinion that defeats the whole purpose of a speciality restaurant. If you want to have indian food, be ready get your tongue (and arse) burnt. No excuses. Period. For the not so brave, you have upteen number of non-spicy (and amazing)dishes to choose from. (The economic viability of running an "authentic" restaurant among "spicephobic" germans is another thread and i dont want to go into that!)
2. Almost every restuarant has a basic suace for all things concerned with meat (and even dishes that use "paneer") and they just add/subtract some ingredients to alter the taste a little bit. I accept there is no big difference to some of the basic ingredients and the methods used to prepare them, BUT making a large amount of that basic sauce and tailoring it to different dishes is EXTREMELY different from preparing them ground up. You can really tell the difference in taste. (I base this comment only on my experiance of the taste of different items that i had and i dont know what "actually" happens in the kitchen. So i cant be sure)
3. They are very bad in handling very large groups. The only advice that i can give you is that if the group gets really large, please make sure its only YOUR event at the restaurant and ask him to give a small menu beforehand and CHOOSE beforehand what you are going to have. This way he has an exact idea what he is going to do. Otherwise, handling 20 different orders creates a havoc for the cook in the kitchen and he resorts to short cuts and the results show in your food.
4. The best way to order and enjoy indian food is not to order each plate separately, but the menu item separately. Thats how we eat in our homes back in India and suits everybody fine. If you are confused what i mean here, here is how it works. If the group is large (say around 20 people), order Naans (in quantities sufficient for 15 people), sauces (for 10 people), rice (15 people), if you are going in for chicken tikka, jalfrezi etc for 4 people and the like. Get this set up in relatively large containers placed in the middle of the table and help yourself. This is the only way i know when the cook can be really sure of preparing something real good. This way everybody gets to have a taste of all the dishes, and the chances are that you will taste atleast one food that is really good. Another advantage is that normally the portions are bigger in this case and everybody can eat to their hearts content.
5. The other day i had a small chat with the guy in Surahi. It was interesting and a bit funny. I always sweat a lot when i eat food (particularly hot spicy food) not because i can't take it, but because i just sweat. The guy saw this and came over to me and asked if i wanted my dish toned down. I said i'm perfectly fine and then they guy started his explanation for the hotness saying, they are not like the other restaurants who just put chilli to make it hot, but in Surahi they use "spices" to make the curry hot. I really dont know of any other "spice" other than chilli (red/green),ginger and cloves that can give you that sting in a souce. All the other spices are there for smell and other reasons. I asked him what "other" spice that they use and he didnt offer much explanation. I asked him why the ginger in my sauce was not ground but spliced and mixed, he goes,"we cant make fresh ginger and garlic paste everyday since they get bad very easily. So we prefer splicing them instead." I couldnt believe what he said. Normally it doesnt take more than 20 seconds to make a fresh ginger garlic paste in an Indian "mixie". And only when they are ground fresh, you get the actual taste of the spice. (I MAY be wrong here about the grinding thing in North indian dishes, but in the SOUTH we DEFINITELY grind them, no spliced ginger and garlic for us. May be roots can correct me on this).
So, in general i'm let down by the curries here and decided to take matters into my own hands. Just got the indian "mixie" sent from home so that i can grind fresh spices and do my own curries at home the way mom makes them. Now i'm happy and enjoy that authentic indian chicken curry whenever i want. Though i dont cook a variety of indian dishes, i can cook a nice chicken curry and once in a while the chicken briyani and that suits me fine.
My younger bro' is a chef (unfortunately continental, but he can cook south indian too) and may be someday i will open an "authentic" indian restuarant here. Who knows? may be someday i will be welcoming you!!! Till then enjoy the curry houses here..

PS: some of the restaurants that i found ok in my solitary visits are - surahi (got hot food), maharani (stiglmairplatz), punjabi (near isartor - the best value of money, cant be said the same about the ambience though), swagat (prinzregetenplatz). Some people might disagree on this, so ask the experianced curry hunter for "uptodate" info.
PPS: I'm too lazy to check for typos in such a big post. bear with me if there are any

PPS: Today is Tamil New Year. Made a very easy indian sweet for the guys at work. They loved it !!