September Challenge 2014
Chef and Left-Right, Chef and Rainbow Array - 2, Fun with Rotation
February Challenge 2015
Chef and Chain, Chef and Strange Formula, Chef and Equality
March Challenge 2015
Chef and Notebooks, Devu and his Class, Sign Wave
April Challenge 2015
Count Sequences, Chef and Interview, Broken Telephone, Division of Lands, Chef and Piano Scales
May Challenge 2015
Chef and new recipe, Chef and Prime Divisors, Set Difference , Devu and binary String
July Challenge 2015
Bread, MasterChef, Na2a and lucky stone, Chef and Cube
August Challenge 2015
Way Out, Gravity Guy, Devu And Churu , Cooking Machine, Aditi and Magic Trick
February Challenge 2016
Chef and Strange Operations, Chef-Detective
India