The President is known as the titular executive or nominal head of the country. Though the President has powers they are limited. These powers can be put into practice only if the Prime Minister and the council of ministers advice him to do so.
Answer: Harappan civilization forms an important landmark in the prehistory of the Indian subcontinent.
Explanation: Harappan civilization forms an important landmark in the prehistory of the Indian subcontinent. The civilization offers an excellent example to the modern world in various ways. Their expertise in town planning, water management and harvesting systems as well as drainage mechanism is unparalleled.