February Challenge 2015
Chef and Chain, Let us play with rank list, Chef and Equality
April Challenge 2015
Chef and Interview, Broken Telephone
July Challenge 2015
Bread, Na2a and lucky stone, Chef and Cube
August Challenge 2015
Aditi and Magic Trick, Gravity Guy, Cooking Machine
September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix
August Cook-Off 2015
Chef and the XORed Number , Chef and the Wildcard Matching
September Lunchtime 2015
Sum of palindromic numbers
April Challenge 2016
Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring
India