Diwali Gift-Waali

In a group of friends, every friend sends a gift to every other friend on Diwali. After the last Diwali, some more friends get included in the group and the number of gifts increases by 46 this Diwali.   

Out of the following , what can be the number of friends in the group this year ?

A. 11
B. 12
C. 13
D. 23

See our previous ‘Puzzles of the Day’:  

Puzzle of the Day : 29
Puzzle of the Day : 28