SV basically is a hallmark for slip coaches in Indian Railways. In India, a slip coach refers to a coach that is designated to terminate its journey at a station prior to the final destination of the rest of the train. read more
HA1 is first class coach, and A is the coupe she will be in. As she is a Senior Citizen she will definitely have a lower berth. Whilst the berths are numbered, they frequently only put U (for Upper) and L (for Lower) beside the passenger's name on the chart. read more