IIT Bombay event - all questions copied from codeforces

Hey I want to expose this event - International Coding Challenge | Techfest, IIT Bombay which is going on currently
link
All their problems are copied from codeforces. As far as i remember, this is not allowed on codechef, i don't know how this got ignored. This is a big issue, @admin, please look into this asap.
Their first question was copied from here
Second here
Third here
Fourth here
Fifth here
Sixth, havent found yet, why don't you ask IIT Bombay Techfest people.