The correct options are
A Fear of thefts
D Frequent emergency stops
Ticketless travelling is a major problem. This causes losses for railways. It also affects the safety and comfort of passengers who are travelling with proper tickets.
Theft and damage to railway property is another problem. Some passengers even steal facilities provided by Indian Railways.
Thirdly, trains are unable to arrive at their destination on time due to several reasons. One of them is caused by passengers. In many instances, they tend to pull the emergency chain of the train.