Really? I feel Adani Mumbai both Domestic & International (Accessible via airline partnerships or business travel) is the best lounge that I have been to in India. It's really big and spacious, food quality is pretty varied and good and they keep frequently refilling the food options. Plenty of options when it comes to type of seating. Washrooms are squeaky clean.
Have been to TFS Kolkata (both normal and business class section), Goa (Mopa & Dabolim) and while the Kolkata TFS (premium section) was quite decent even that has washrooms outside where the Irish house is or used to be.