The namaskara spike, as explained by Mahesh Shantaram(https://thecontrarian.in)
(Apologies, I got the name mixed up. Fixed now)
People buying day passes do so on the spot, people buying 3 day passes do so 2-3 days ahead of time and so on for 5 day passes as well
This makes a greeting symbol which is also used for offering prayers (
)
(Namaskara in Kannada = namaste in Hindi = namaskaram in Telugu and Malyalam, or so my friend tells me)
This is months of Mahesh scraping the official website for data and analytics. He showed multiple predictions like how Namma Metro's data is likely updated manually, seeing the Holiday pattern.