Mandovi Express - the best 5-Star Restaurant in the world

We travelled in 19568 Okha to Thoothukkudi Vivek express from Pune departure on 24.2.17 at 10.30 pm of Friday night.
Arrive Kovilpatti on 26.2.17 at 5.55 am ( For Kovilpatti ,an hour late of scheduled time of 4.55 am ),Hope reached the destination Thoothukkudi in time of 7.10 am of Sunday morning.
First congrats to our Western Railway,Central Railway,South Central Railway ,South Western Railway and our Southern Railway which are operated mostly correct time in the entire routes.
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So we requested that this train frequency have to be increased to Tri- Weekly to connect Southern Tamilnadu to Gujarat state.
Moreover coaches maintenance are good.
1) Two Charger points are provided in all the bays of Sleeper coach no 6.Good.
2) But at the same time no bottle holder in this coach no S6 .
3) The train display board shows in Hindi,English and Gujarathi languages ( no top horizontal line in Gujarati language ,mostly resemblance of Hindi letters )of Okha to Tuticorin.( Gujarat to Tamilnadu )
4) I never seen Tamil language sign board in this train.Requested that Our Thoothukkudi association / Madurai division have to rectify this .
5) S- 6 coaches are attached with Bio- Toilet systems. As an environmental Engineer and served in Sewerages schemes in Tamilnadu, I am fully supported this Bio - Toilet schemes.
Our Track maintenance staffs are totally freed from these Human excreta scavenging. A noble scheme introduced by our Indian Railway for our track maintenance brothers and sisters.
5a) But,these Bio- Toilet s of both Western and Indian style types are not auspicious for the travelling sensitive and conservative passenger like me and several like minded passengers.
I repeatedly requested our Indian Railway that the floating inauspicious Human excreta should not be viewed by the passengers.
I requested that the Western style & Indian Style Bio- Toilets design have to be modified so as the excreta could not be viewed outside .
I suggest that S - shaped stem have to be designed so as the Inauspicious matters can not be viewed by the passengers.