Train ticket refund rules: Cancellation charges, rules of IRCTC e-tickets
Indian Railway Catering and Tourism Corporation (IRCTC) operates the ticketing services of Indian Railways. Hence if an individual has bought e-tickets of any train and wants to cancel them due to any unforeseen circumstances then the only way it can be done is through the IRCTC website or IRCTC rail connect application.
Source: indiatimes.com