Indian Politics
The preamble says that the state in India will assure the dignity of the individual. The constitution seeks to achieve this object by guaranteeing

the right to adequate means of livelihood to each individual
equal fundamental rights to each citizen
equal wages for equal work to each individual irrespective of sex
just and humane conditions of work to each individual

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Indian Politics
The parliament can legislate on a subject in the state list

if the legislatures of two or more states recommend to the Parliament to legislate on such a subject
if the Rajya Sabha passes a resolution by two-third majority declaring the subject in state list of
for the implementation of treaties and agreements with foreign powers
All listed here

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