The legal age of consent for sexual activity is 16 years
old.
Check this link
Interesting fact that if you own the place where underage sex is
being carried out, you are liable for punishment
too:
Permitting a girl under sixteen (16) years to use premises
for intercourse, described in Section 143
'Any person who is the owner or occupier of any premises, or who
has, or acts or assist in, the management or control of any
premises, induces or knowingly suffers a girls under the age of
sixteen (16) yearsto resort to, or be on those premisesfor the
purpose of having sexual intercourseexcept by way of marriage with
any male personshall be guilty of an offence and shall be liable on
conviction to a fine not exceeding $
2,000 or to imprisonment for a term not exceeding three (3) years
or to both.'