Karan Johar and Guneet Monga’s production Kill is holding its ground despite facing tough competition from the blockbuster Kalki 2898 AD. According to Sacnilk, the film saw an over 30 percent increase in its collection on Saturday, earning Rs 2.8 crore. This brings the film’s total domestic collection to Rs 6.2 crore. Kill started its box office journey a week after Nag Ashwin’s Kalki 2898 AD hit theatres. The film’s opening collection was modest, managing only Rs 1.25 crore due to the overwhelming Kalki fever. However, positive word-of-mouth and rave…