Irrespective of his recurring differences with Salman Khan, producer-director Kabir Khan enjoys a rock-solid friendship with his 'Kabul Express' and 'New York' actor John Abraham.Together the two have managed to create films that are unconventional yet successful.And now we hear that the duo are set to collaborate again over a web series.Having wrapped up 'Tubelight', Kabir is currently working on his documentary, 'The Forgotten Army' which is likely to be featured as a mini web series. It is speculated that John has been approached to play the lead in the series.The documentary is likely to be shot extensively across Singapore, Thailand, Burma and Malaysia.