In schools in India we are taught both the units.
Yep am sure same in Pak.
Problem is that when you communicate with the outside world, we have not only to worry about fx rates but also about crores and lakhs
See this for example
Australians in the 2022 IPL auction
Base price of 200 lakh (approx. A$377,000)
Pat Cummins, David Warner, Steve Smith, Mitch Marsh, Matthew Wade, Josh Hazlewood, Adam Zampa, Nathan Coulter-Nile, Ashton Agar
Base price of 150 lakh (approx. A$283,000)
Aaron Finch, Chris Lynn, Usman Khawaja, Kane Richardson
Base price of 100 lakh (approx. A$189,000)
Marnus Labuschagne, Daniel Sams, Andrew Tye, Moises Henriques, Riley Meredith, James Faulkner, D'Arcy Short, Josh Philippe
Base price of 75 lakh (approx. A$142,000)
Nathan Ellis, Jason Behrendorff, Sean Abbott, Billy Stanlake, Ben Cutting
Base price of 50 lakh (approx. A$94,000)
Ben McDermott, Kurtis Patterson, Wes Agar, Jack Wildermuth, Joel Paris, Hilton Cartwright
Base price of 40 lakh (approx. A$75,000)
Tim David, Chris Green
Base price of 30 lakh (approx. A$57,000)
Ben Dwarshuis, Matt Kelly
Base price of 20 lakh (approx. A$38,000)
Hayden Kerr, Tanveer Sangha, Alex Ross, Jake Weatherald, Nathan McAndrew, Tom Rogers, Liam Guthrie, Liam Hatcher, Jason Sangha, Matt Short, Aidan Cahill