Solution:The President of India is the head of Indian State. He is the first citizen of India and acts as the symbol of unity, integrity and solidarity of the nation. He has the following powers and functions.
He can grant pardon, reprieve, respite and remission of punishment or suspend, remit or commute the sentence of any person convicted for any office under Article 72. He can promulgate ordinances during the recess of Parliament under Article 123.
These ordinances have the same force and effect as an act of Parliament to deal with unforeseen or urgent matters.
He can summon or prorogue the both House of Parliament and dissolve The Lok Sabha only not the Rajya Sabha as Rajya Sabha is a Permanent House and its one-third members retire on the expiration of every second year.
He nominates twelve members of the Rajya Sabha from amongst person having special knowledge or practical experience in literature, science, art and social services. He also nominates two members to the Lok Sabha from The Anglo-Indian community.
Hence, option (b) is correct.