MUMBAI — Actor Vivek Oberoi is on seventh heaven. He has just been cast in “Krrish 3,” a sequel to 2006's “Krrish.” “Back on the set of ‘Krrish 3.' Working with the legendary Rakesh Roshan and my buddy and delightful co-star Hrithik. I love my life,” the 36-year-old tweeted. Oberoi will also be seen in “Zilla Ghaziabad” next year. — SG