@Dipyaman Basu**: Re# 215672-16
Concession Forms for Disabled Persons
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Concession Rates.

For cancer Patients-100% concession in 3AC & SL, 75% concession in II, I, AC-CC and 50% concession in 2AC and 1AC classes.
For escorts-75% concession in II, SL, I, AC-CC and 3-AC and 50% in 1 AC and 2 AC.
All the above information is available on the railway site to be referred to.

Rajasekhar jee,
With due respect, I guess it is 75% for classes upto 3A and in 1A/2A it is 50%. I got it from IR site indianrail.gov.in/conc_Rules.html

I have found the same as Biplab is saying.
BJ

I have taken the information from TAAG. If this has changed then so be it. In the meantime I will check the other sites for this too.

Cancer patients travelling alone or with an escort:
For cancer Patients-100% concession in 3AC & SL, 75% concession in II, I, AC-CC and 50% concession in 2AC and 1AC classes.
For escorts-75% concession in II, SL, I, AC-CC and 3-AC and 50% in 1 AC and 2 AC.

What is concession for 50% handicap person, can that person have escort if yes then escort's concession ?

Orthopaedically Handicapped/Paraplegic persons who cannot travel without an escort.
75% in II, SL. 1, AC CC & 3-AC and 50% in 2AC&1AC (for both)
There is nothing mentioned as 50% handicapped. A certificate is needed from the Govt Doctor in the prescribed format