The filmmaker shared a picture when Salman is seen shooting a 'happy song' for the movie.
Khan tweeted: "Shooting a happy song #tubelight #Eid2017 #behindthescenes #salmankhan https://www.instagram.com/p/BN4J9RkjPaO/ ."
The film is slated to hit the silver screen during Eid next year.
Meanwhile, Chinese actress Zhu Zhu has wrapped up the shoot of the film.
She will make her Bollywood debut with the movie.
"And It's a film wrap for the beautiful @Zhuzhu_juju . We will miss you... #tubelight… https://www.instagram.com/p/BN8uUyuDPk2/," Khan tweeted.
The movie is set in the backdrop of 1962 war between China and India at the Sino-Indian border.
Image: Kabir Khan Instagram page
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