You'll find companions wherever you go, when you travel in Trains, family or solo.

The passenger will be teated as without ticket if he boards with changed boarding point ticket from original boarding point as per rule give below:
"Can I change the boarding station?
Yes, you can. All you have to do is submit a written request to the
Station Manager of the original boarding station or contact any
Computerised...
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Reservation Centre, at least 24 hours before the
departure of the train. However, no refund is permissible for the
unused portion of the journey. The change of station once made
will be final i.e. in case a passenger has changed the boarding
point, he/she will loose all rights to board the train from the original
boarding point. If found travelling without any proper authority to
travel, he/she will have to pay fare with penalty between original
boarding point to changed boarding point."