Don't drink tap water.Bottled water is safest.Don't order food and drink without asking the price first.Don't accept candy or drinks from strangers on buses or trains because they may want to drug you so that they can rob you.Please inform the police before taking a mountain trek.Don't go into the mountainous areas alone.Don't buy goods from vendors.Ask for a receipt when buying expensive things.Ask for a certificate of authenticity when buying jewelry.Don't accept a ride from a stranger.Don't get into a car when a stranger calls to you as she may be a robber.Don't walk into a slum area alone at night.Don't walk into a deserted area.Don't travel by taxi without first agreeing on the fare.Write down the serial numbers of your traveller's checks.Carry your wallet in an inside pocket