A very popular singer, rap arstist Nirnaya Shrestha is back with his newest track “Happy Birthday”. Along with Nirnaya “Happy Birthday” is also crooned by Axata Adhikari. Composed and penned by the singer Nirnaya himself, “Happy Birthday” has been directed by Shailendra Khokhali/Nirnaya. The video recently uploaded (on February 13) by Music Nepal Pvt. Ltd. has been viewed by many.