Vivek Oberoi is great as a supervillain. Initially he just speaks and later when he stands on his foot he makes the world bow down.
Rajpal Yadav's cameo is good. However, the songs by Rajesh Roshan aren't great while listening but look good when seen on screens.
Background score by Salim-Sulaiman is brilliant. The score accompanies the sequences perfectly.
I'll go with three and a half stars for super exciting Krrish 3. You will get more than what you expected from a typical Indian superhero flick.
Hope they return sooner with the next installment.