Hi
If any Indian is visiting Buenos Aires than you can try out some of the good Indian restaurants which are" Taj Mahal restaurant", "Kathmandu Restaurant" and "Bengal"
The food and ambience in Taj Mahal is very good. Bengal restaurant has a very good Indian Chef and he can tailor make some good dishes
I will be glad to provide you with more information about the city and the good restaurants
Regards
Zafar