India, Jan. 4 -- There is a reason why people go with tried-and-tested formulas, as they are reliable and loved all over. Even Bollywood follows that pattern and this year marks many such reliable actor-director duos reuniting in films. Here's a dekko.

Anurag Singh directed the duo of Diljit Dosanjh and Sonam Bajwa in two Punjabi films before, Punjab 19884 (2014) and Super Singh (2017). Now, the trio with a successful back record is reuniting in a Hindi film as the director takes over the reigns of Border 2, which stars Diljit and Sonam together once again and releases on Republic Day weekend.

Vishal Bhardwaj gave Shahid Kapoor one of his biggest hits with Kaminey in 2009. The duo followed it with another success in Haider (2014). They ...