Dear @Dibyendu_Maity
To address your complaint regarding the uncleanliness of the bus, we suggest you lodge a formal complaint with the Bus Depot Manager of the depot from where the bus (no. 2825) originated.
Alternatively, you can contact the West Bengal Transport Corporation (WBTC) helpline number [ +913322361916 or +91332237269212] or utilize their online grievance portal WBTC website (wbtconline.in). Providing details of your journey, bus number, and date will help expedite the resolution of your complaint.
For more help, read this: How can I complain about bus services of West Bengal Transport Corporation (WBTC)?