The form of greeting in Nepal is "NAMASTE" and is performed by joining the palms together.
Before entering a Nepalese home, temple, and stupa remember to remove your shoes.
Be careful not to use your spoon, fork or a hand being used for your eating to touch other's food, plate, cooking utensil or the serving dish.
Seek permission first before entering a Hindu temple. Many Hindu temples do not allow westerners or non-Hindus to enter.
Leather articles are prohibited to be taken inside the temple precinct.
Walking around temples or stupas is traditionally done clockwise.
Take photographs only after receiving permission for the object or person being photographed.
Public displays of affection between man and woman are frowned upon. Do not do something that is totally alien to the environment.
A tourist may stay in Nepal up to 150 days in a visa year (Jan-Dec).
A tourist must extend his/her visa before expiry of the visa validity period.
A tourist who does not comply with these regulations may be liable of fine and
other prosecution as provided in Immigration Act and Rules.
A Foreigner having obtained tourist visa shall not be allowed to work with or
without receiving remuneration.
A foreigner shall not be allowed to carry out any work other than that for
which purpose s/he has obtained the visa.