Babar Azam's Pakistan look for their first ever World Cup win over India Saturday in front of a record crowd expected to number around 120,000 fans who will overwhelmingly be backing Rohit Sharma's home side.
India and Pakistan are bitter adversaries and only play against each other in international tournaments due to longstanding political tensions.
Any meeting between them always raises fan interest with millions watching around the globe in a bonanza for broadcasters and sponsors.
Fans desperate to watch the match have even booked beds in city hospital wards after hotels ran out of rooms.
By signing up for health check-ups and overnight stays in private hospitals, the accommodation has proved a cheaper option with some hotels hiking rates by as much as 10 times.
Both teams remain unbeaten coming into the match in Ahmedabad's Narendra Modi Stadium, named for the Indian prime minister.
Local officials told AFP the 132,000-capacity stadium would host around 115,000 to 120,000 fans with some seats lost due to ramps and stage set up for a pre-game concert.
The number could be a record for any cricket match around the globe and surpass the previous figure of 104,859, which turned out to watch last year's Indian Premier League final at the same venue.
Pakistan nationals are still awaiting their India visa and only a handful of Pakistani fans, who have British and US passports, have turned up to watch the game.
Super fan "Chahcha" (uncle) Basheer was outside the stadium Friday draped in a Pakistan and Indian colored cloak and shouting "Pakistan Zindabad" (Long Live Pakistan).
Security concerns saw Saturday's match brought forward a day from its original date, which coincided with a major Hindu festival in the city.
Authorities are deploying 11,000 police officers to keep order - around one for every 11 spectators.
Pakistan have never won against India in the World Cup in their seven outings since 1992.
Their previous loss was by 89 runs in a rain-hit league match of the 2019 edition in Manchester.
India remain behind in their overall ODI head-to-heads against Pakistan with 56 wins and 73 losses but have clearly been the stronger team in recent meetings.
Rohit's men hammered Pakistan by 228 runs in their Asia Cup Super Four clash last month and went on to win the regional tournament.
Journalists from Pakistan have arrived in India for the match after delays in their visa approvals saw them miss the team's opening two games.