It's a song sung by Usha Uthup from the movie Bow Barracks Forever. If you haven't heard the song, you can check the following link or can give a search in google: https://www.indianpad.com/story/69126. Would appreciate very much if someone can post the chords. Thanks.
Jingle bells rock!! chk this out https://www.songsandchords.com/christmas/index_files/christmas_jingle_bells_guitar_rock.htm