As per my opinion, Amulaya Ratna Swain Sir and Arup Acharya Sir are the best teachers in the CS department. The former teaches Data Structures & Algorithms, while the latter teaches Software Engineering Concepts.
Their dedication towards teaching is worth every praise, and their unique teaching style always amazes me. Their lectures are truly worth attending. They are, according to me, two of the best professors at KIIT.
One of my friends had passed out of KIIT University back in 2017, so my answer would be based on whatever input I have received from him.
From the Department of Computer Engineering particularly, here is a list of one of the finest teachers present there at KIIT University:
Apart from academics, my friend also gave me an additional list of teachers who will boost your morale and give you great motivation, here are some names:
In order to judge who exactly is the best, you should observe and decide it for yourself. Apart from that, these were some of the finest at KIIT.