He was exhausted and tired. His legs have been wobbling. So he still felt on a moving train.

Two days ago, Velu ran away from home. Nothing he had eaten. He was lonely and hungry. He felt miserable, therefore.

Velu was running away from home. Therefore, he had no cash to purchase tickets, he traveled without a ticket.

Velu escaped the notice from the ticket collector because the collection of tickets did not reach the unreserved compartment he was traveling in.