Akshay Kumar starrer "PadMan" had its first song release Wednesday and it's a romantic song sung by none other than Arijit Singh. The song is picturised on the on-screen couple Akshay Kumar and Radhika Apte as they get married in the movie. Titled 'Aaj Se Teri', the song portrays the romance between two lovers who fall in love after marriage in a small town. It is penned down by lyricist Kausar Munir and has Amit Trivedi's music. Watch the song: The movie is directed by R Balki and follows the story of national hero Arunachalam Muruganantham-- the inventor of low-cost sanitary napkins for women in rural areas. The trailer for "PadMan" was released earlier in the week and it establishes Akshay Kumar as the much-needed Indian superhero. It is produced by Twinkle Khanna’s Mrs Funnybones Productions and is slated for a release on the Indian Republic Day, January 26.