Private Bus — different fares are taken by different buses

Different buses are taking different fares after the declaration of 1rupees hike in fare. Another problem is the same buses are taking different fares in different days. everyday quarrel is occurring between conductor and public. I m saying these incidents are occurring in bally-karunamoyee kolkata bus route. today this happen in bally halt-karunamoyee bus number-WB23C9363. Pls solve the matters