What is the importance of judiciary in a democratic country like India?

Judiciary plays an important role in imparting justice to people due to complex nature
of society. Hence, it performs the following functions:
 The judiciary acts as a custodian of the constitution by interpreting it in a proper
manner as it can declare any law passed by legislature ultra vires and
unconstitutional if it is against the spirit of constitution.
 The judiciary performs the legislative functions by way of giving judge made laws to
fill up the gap between the legislature and society.

The judiciary performs some administrative functions by keeping a check on the
smooth functioning of each court.
 The judiciary advice’s the head of the state on the validity of particular law so that it
can not be declared unconstitutional after it is passed.
 It is the duty of the judiciary to see whether the people could enjoy their
fundamental rights without any contradiction.
 The judiciary look after minors, issues licenses, grant probates, bails and administer
oath of office, etc.