Chetak Express: - यार तेरा चेतक पे चले ❤️ - Keshav Saxena

Recently I found many trains terminating at Chennai Central/Passing through Chennai Egnore/Passing through Perambur and terminating at other parts of Tamilnadu from Delhi, Mumbai, Howrah, Shalimar, Bhubaneswar, Puri, Vijayawada, Silchar, Dibrugarh , New Tinsukia, Gaya, Banaras, Firozpur, Vishakapatnam , Hubli , Ahmedabad, Ekta Nagar(Vadodara) came to light that these trains don't have Tamil TBs sadly. I want to ask the respective train zones to add Tamil TBs. Same logic for other Railway zones as well to ask them like this.
Also I found no Kannada TBs for trains bound for Bengaluru/Mysuru originating from Eastern and North Eastern part of our country.
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Yesterday for an instance, I found 12686 Mangaluru MAS SF earlier it had Kannada in their large TB but now replaced with Malayalam will cause so much confusion for an newbie traveller for Mangaluru, so I complained in Railmadad for this to take action to re introduce Kannada TB as Mangalore is part of Karnataka not Kerala although it is lying near the border.

I am not posted this post to create language politics here please understand. But at the same time, the concerned CDOs starting the train should have the knowledge of what language is being spoken at the destination of that given train. It will eliminate confusion among passengers and I felt Hindi and English weren't spoken uniformly all over the country. Kind request, while replying, please don't do all types of language politics here, I am asking for the basic rights and questions here.

How to ask them? Or we should file RTI etc? Kindly help as soon as possible 🙏