The Utterances of a Peculiar Mindset

Many of us need to call from coin box many times..
But how many times we count the time for which we are paying one coin?
Once we dial the number, we just keep talking and insert coin when we hear the bip tone. But did you notice the time interval between the bip tones?
For example, if we go in Akurdi area, we pay a coin for just 30 seconds and in Shivajinagar area, for 90 seconds. Every person talking from Akurdi has to pay 200% more as compared to what he would have paid at Shivajinagar.
Or on single Paud road, if we go near Kothrud depot, we pay a coin for 30 sec. and near MIT, for 90 sec. whereas in the MIT school area, for 60 seconds.
The pulse rates for local calls or landline to mobile calls is the same all over India. Why is this difference then?
Yesterday, I saw a PCO booth near Lokmanya Hospital, Nigdi that has 6 coin boxes. Out of these 6 boxes, 2 provide 90 sec pulse, 3 provides 30 sec pulse and surprisingly one of them provides 180 sec pulse…
I tried complaining to telephone exchange some 3 or 4 times but none tends to have a ear to this damn thing.
Even the newspapers don’t find this point interesting enough to have a news or article about it.. So, who is going to change all this and when?