India, April 30 -- The reunion of Malayalam superstars Mohanlal and Mammootty after 13 years seems to be generating quite a buzz at the ticket window in Kerala. Patriot, the two veteran actors' first film together since 2013, releases in theatres on May 1, and is expected to take a blockbuster start at the box office.

With under a day to go before the release of Patriot, advance bookings for the film are on in full swing. By the end of Wednesday (April 29), the spy thriller had generated pre-sales of nearly Rs.3 crore in India, of which 90% came from Kerala alone. The film is generating massive buzz overseas, with reports stating that its opening weekend advance gross has crossed $600k internationally, of which $450k comes from just the ...