Mumbai: Filmmaker Ashwni Dhir will be reuniting with actor Ajay Devgn for a comedy on the lines of their 2012 hit Son of Sardaar. "We (Ajay and I) are doing a film together. It will be a comedy. Like 'Son of Sardaar'. Maybe it will be a 'Son of Sardaar 2'. All I can confirm is that, it will be about a sardar. It will be a fun family film," Dhir told PTI. The yet-to-be-titled…