Actor Nikhil Siddhartha-starrer Telugu revenge drama "Keshava" grossed Rs. 11.4 crore in its opening weekend worldwide, the makers announced on Monday.In an official statement, the makers announced that the film took a terrific opening, grossing Rs. 11.4 crore from three days worldwide.Made on the lines of "Badlapur" and "Payback", "Keshava" is the story of a guy who wants to avenge the death of his parents, but with a twist.The film's protagonist suffers from a rare medical disorder, Dextrocardia, which means his heart is on the right side of his body.On playing the challenging character, Nikhil had told IANS: "The character is that I can't get excited or angry or even emotional. It will affect my heart. I had to hold this thought and act accordingly. It wasn't easy because it made me feel like a different person altogether."Also starring Ritu Varma, Vennela Kishore and Priyadarshi Pullikonda, the film is directed by Sudheer Varma.Sudheer and Nikhil reunited for the project after the 2013 Telugu crime-comedy "Swamy Ra Ra".