South Bengal State Transport Corporation [SBSTC] — Ticket not issued by the conductor @ Digha-Habra route

Dear Sir/Madam
this is a matter of regret to complain you that, today, i have experience with a abnormal behaviour of your staff, who is bound to issue ticket for the journey to the passenger after payment of exact amount of fare. Today i have travelled from Barasat at 6:40pm to Bira Chowmatha. Exact amount of fare is rupees 15/-. Conductor asked me for rupees 10/- only. After giving rupees 10/-, I asked him for my ticket. Then he replied no need of tickets. But again I asked him for my tickets, then he replied that, if I pay rupees 15/-, then tickets would be issued. Finally, i gave him rupees 20/-, and he replied with valid ticket with change. At the time of get down from bus the conductor teach me that, i should oil my own mechine, no need to look all the events happening in the bus between conductor and passengers.
In this context I would like to mention that, during this journey i have noticed that, not a single passenger were asked for tickets and not issuing ticket is a healthy practice developed by the bus conductor.
I think this is not a problem of today, it's a serious issue of bus conductors under WBSBSTC not only Habra depo, through out the state of WB.
Therefore, i will be thankful to you, if you pay your attention in this context, which will be fruitful to survive the WBSBSTC service in West Bengal.