What are the roles functions of parliament of India Do you think there is a change in the power of parliament?

Main function of parliament is to make and pass laws based on the subjects of any of the three lists, viz., Union List - 97 subjects; State List - 66 subjects and Concurrent List - 47 subjects. Parliament also possesses 'Residuary Powers', i.e., it can make laws on the miscellaneous subjects also, that are not there in any of the three lists, if it thinks that law is for the welfare of the country...