In detail you can read the rules for pets at link:h_t_t-p://www.indianrail.gov.in/luggage_Rule.html
RULE AND RATES FOR CONVEYANCE OF DOGS :
1.Dogs when carried in the break-van and/or A.C.C. and first class passenger compartments will be charged for at Scale 'L'(luggage Rates)on the basis of weights indicated below, subject to a minimum charge of Rs.10/- per dog, charges being Prepaid: When carried in break_van (Dog-Box) 30 Kgs When carried in passengers compartments 60 Kgs "Seeing Eye" dog traveling with a blind person in the compartment (First class) will, however, be charged the same tariff...
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as for dogs carried in brake_van. The dogs must be provided with Collars and Chains. Owners should make their own arrangements for food and water for the dog during the journey. Dogs detected unbooked will be charged at six times the Luggage Scale Rate subject to a minimum of Rs.50/-
2.A passenger traveling in First Air condition class or first class may take a dog into the compartment only with the concurrence of fellow passengers on payment of charges vide Clause(1) above. The charges are to be prepaid. If fellow passengers subsequently object to the dog remainig in the compartment, it will be removed to the Guard's van, no refund being given. Dogs detected unbooked with the passenger in IA and Ist class compartments will be charged six times the Luggage scale Rate subject to a minimum of Rs.50/-. A lady travelling alone with children under 12 years of age in a first class compartment may take with her in the compartment one dog on payment of charges at the Dog Box Rates, subject to a minimum of Rs.10/-provided that if another lady enters the compartment, the dog can only be allowed to remain in the compartment with her consent. Any dog detected unbooked will be charged at double the dog-box rate for the distance up to the point of detection and at the dog-box rate for the distance beyond the total charge being subject to a minimum of Rs.20/- for each dog.
3.Dogs are not allowed to be carried in ACC Sleeper Coaches, Acc chair car coaches sleeper class and second class coaches.If a dog is found being carried in contravention of this rule, it will be removed immediately to the brake-van and charges will be levied six times the Luggage Scale Rate subject to a minimum of Rs.50/-
4.Charge for dog carried in reserved compartments will be levied at the dog-box rate. Any dog tetected unbooked will be charged six times the Luggage Scale Rate subject to a minimum of Rs.50/-
5.Large dogs which cannot be carried in the dog-box of a brake van will be carried in a special vehicle at the same rates and conditions as for horses.