Equality is the state of being equal. It is with respective of laws,rights and the qualification regarding to all the amendments or corrections made to the constitution.
Equality brings in, the equal treatment of people in voting, towards the facilities provided by the gov. based on their standard of living unlike the types of persons they are, and unlike their Caste, Religion,creed, Sex etc..
This provides the basic structure and qualification of the Gov.
Equality brings in the Social Justice.It is one of the Constitutional Rights given to a citizen of India.