On its 13th day, Mari Selvaraj’s ‘Bison Kaalamaadan’ saw a minor drop, raking in approximately Rs 90 lakhs and elevating its total to an impressive Rs 39.55 crore. Even though weekday attendance dipped, the film, headlined by Dhruv Vikram, still captured the interest of audiences, achieving a Tamil occupancy rate of 17.09% on Wednesday.