Some hotels include service charges on their
bills. In such cases tipping is not necessary. Where this is
not done, a tip of 10% is customary. If you are in a big group
and the food bill is high, the tip on the total can come down
to 5%.
The porter who takes your baggage to your
room is usually tipped Rs.5 per bag or Rs.10 to Rs.20 per trolley.
(These estimates are for 5 and 4-star hotels and are proportionately
less in 1, 2 or 3 star hotels.)
Tipping to taxi drivers for airport/railway
station transfers not customary. However, Tour guides and drivers
do expect tips depending on the assignments and number of days
they are engaged for.