People used to think how to invest their hard earned money in some way.. Before investing they need to think about when their investment should reap as returns ..
It is again up to individuals and it depends on their income as nowadays most of the investment has lock-in-period where they need to park their money for some time.
The investment style box goes like this
low risk medium risk high risk
Short term
intermediate
long term
Investors need mark corresponding box and they should proceed for investment.
hope it is informative ..