Tamil Nadu State Transport Corporation [TNSTC] — conductor reluctant to give the remaining change though having more than enough money

Bus number - tn01-n9389. Bus number -27c deluxe. Route - bus from thiruverkadu via maduravoyil to t nagar. I travelled in the bus on[protected]Today at 8:40) from the thiruverkadu to maduravoyil. Paid 20 rs for the ticket and the ticket costed 15 rs. The conductor was reluctant to give the remaining 5 rupees claiming he did not have the desired change and even after reaching he was telling the same and told me to collect it from the depot. But after me insulting him he gave me five rupees. He had the desired change and more coins of smaller denominations in his conductor bag. Also he argued with me to raise complaint and collect money in depot. Government officials are here to serve the public and even such reluctant behaviour of asking the public to go to depot and collect money despite having the correct change is against the consumer policy. Kindly advise the conductors to be polite and follow the rules. We understand it’s also the public responsibility to bring enough change but this behaviour of having change and not paying to the public is unacceptable