The Indian box office has seen some massive first-week grossers over the years, with films achieving staggering numbers within just seven days of release. Kalki 2898 AD, directed by Nag Ashwin and featuring a star-studded cast including Prabhas, Deepika Padukone, Amitabh Bachchan, Disha Patani, and Kamal Haasan, has made a spectacular entry into this list. Here’s a detailed look at the top 10 highest first-week grossers at the Indian box office. Kalki…