There are certain things that minors or those below the age of 18 cannot do. Here are some of them:
You gain the right to vote in local, state, and national elections, participating in the democratic process.
You can apply for a full driver's license for cars and motorcycles.
You can open and operate a bank account without the need for a guardian only if you are 18+.
You can sign contracts, including rental agreements, employment contracts, and other legally binding documents only after turning 18.
Legally, you cannot marry if you are not 21. The legal age for marriage is 21.
You can apply to join the Indian Army, Navy, or Air Force or any job after turning major. Employing minors is a crime in India.
You can apply for and receive a credit card, depending on your creditworthiness and income only after turning 18.
You can apply to adopt a child and become parent only after 18, though specific legal requirements and processes must be followed.