Article 18: Abolition of titles: (1) No title, not being a military or academic distinction, shall be conferred by the State.
(2) No citizen of India shall accept any title from any foreign State.
(3) No person who is not a citizen of India shall, while he holds any office of profit or trust under the State, accept without the consent of the President any title from any foreign State.
(4) No person holding any office of profit or trust under the State shall, without the consent of the President, accept any present, emolument, or office of any kind from or under any foreign State."

This article prohibits the State from conferring titles except military and academic distinctions. It also restricts Indian citizens from accepting titles from foreign states.

Furthermore, it states that individuals who are not Indian citizens but hold office of profit or trust under the State cannot accept titles from foreign states without the President's consent.

Additionally, individuals holding office under the State cannot accept any present, emolument, or office from or under any foreign state without the President's consent.

Source: ChatGPT