Those of us who have grown up on a staple diet of Bollywood films know that its tryst with horror has been less than memorable. So, when Shah Rukh Khan and Karan Johar banded together to produce Kaal in 2005, with the likes of Ajay Devgn, John Abraham, Vivek Oberoi, Lara Dutta and Esha Deol in its cast, expectations ran …