Indian Politics
The parliament works through committees which

both (a) and (b)
ensure that the parliament strictly adheres to the provision of the constitution and the prescribed
exercise effective control over government on a regular and continuing basis
help the government in the formulation of policy

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

All listed here
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

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