Ranbir Kapoor and Ayan Mukerji planning a surprise party for Alia Bhatt's 25th birthday?

Team 'Brahmastra' is shooting vigorously for their first international schedule in Bulgaria.Ranbir Kapoor, Alia Bhatt and Ayan Mukerji have also been sharing many pictures from the European continent.

Alia, who will turn 25 on March 15, will be spending her birthday on the sets of 'Brahmastra'If reports are to be believed, her buddies Ranbir and Ayan are planning to throw a surprise party to make the day special for her, especially since it's a milestone for her and also as she is away from home. The report further suggests that to add to the fun, they have a particular theme for the bash.Alia had earlier allegedly revealed that she will be stationed in Bulgaria until the end of March.