Ranbir Kapoor and Alia Bhatt starrer film Brahmastra's most awaited song Kesariya finally got released on 17th July. Ranbir and Alia's outstanding chemistry in Kesariya song is catching the eye-balls. Fans are going wow on the song already. Alia Bhatt called it a love anthem. She came live along with actor husband Ranbir Kapoor and the director of Brahmastra Ayan Mukerji and said that she will always stand by Ranbir Kapoor in their love anthem.