Correct option is D
· Parliamentary system ensures harmonious relationship and cooperation between the legislative and executive organs of the government.
· The executive is a part of the legislature and both are interdependent at work.
· Merits of a Parliamentary system include harmony between Legislature and Executive, a responsible government, check on dictatorship and wide representation.
· The Constitution of India provides for a parliamentary form of government, both at the Centre and in the States. Articles 74 and 75 deal with the parliamentary system of government at the Union level and Articles 163 and 164 contain provisions with regard to the States.