Kolkata FF (Kolkata Fatafat) is a popular, fast-paced lottery-style game played specifically within the city of Kolkata. Unlike traditional lotteries, it is a suburt (local) game based on speed and guessing numbers, with results drawn eight times a day from Monday to Saturday, and four times on Sundays. Participants bet on different number combinations, known as baji, hoping to match the official winning numbers for quick financial returns. While it is deeply embedded in the daily routine of many locals looking for a quick stroke of luck, it is highly speculative and carries a significant financial risk due to its addictive nature and lack of formal regulation.