Hi Sashmita,
You may go following games:-
1) In a group, when you are sitting.. everyone should speak one alphabet in sequential manner like A, B,C,D.. & once the person pronounces the alphabet from which has name starts, he is Out. The one who stays till end, is a winner.
2) Everyone should take name of some city name... other one should take previous person's city name + his own city name & chain goes on.. the one who misses the names in between is Out.
3) You can go for Tambola (cutting the numbers from sheet provided as per the number announced randomly by referring any book & one who completes the number sheet first is a winner)
4) You may one by one, ask other person to share the qualities, suggestions about every individual who are the part of this get together.