Can anyone tell me if the Threesixtythree┬░ restaurant of Hotel Grand Oberoi, Kolkata a la carte of buffet ?

I tried to check their website, it says "The a la carte menu at Threesixtythree┬░ features ... We also present a lavish buffet lunch." I am a bit confused. it would be great if anyone can help me to erase the confusion. thank you in advance.