3AC fares should not be more than twice of the Sleeper class fares.
During night reduce the temperatures from 27 degree to 23 degree only.
For this temperature control 3 times of sleeper fares are unwarranted.
Moreover in our Tropical country surcharges for AC also unwarranted.
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more... So in the GST requested our PM ,FM and RM that AC surcharges for train travel have to be totally withdrawn.