India has some of the lowest train fares in the world. Basic passenger traffic is heavily subsidised by more-expensive higher-class fares. Until the late 1980s, Indian Railways ticket reservations were done manually. In 1987 the Railways started using a computerised ticketing system. The entire ticketing system went online in 1995 to provide up-to-date information on status and availability. The ticketing network is computerised to a large extent, with the exception of some remote places. Computerised tickets can be booked for any two points in the country, through the Internet and via mobile phones, though this method carries an additional surcharge.