Hint: Various armed forces their agencies are mandated to protect the security and integrity of India and to protect from the menace of terrorism, border tensions. Armed forces are also tools of foreign policy, military exercises, etc.
1. Indian army is one of the branches of the Armed Forces of India, which is based on land. They ensure National Security and promote integrity and Harmony. They also engage themselves in humanitarian Services during crises faced by the country.
2. Assam rifles are the oldest of all paramilitary forces of India. They have a crucial role in controlling the insurgencies which are frequently observed in the northeastern regions of the country. This Branch was established in 1935 and they play a key role in controlling border insecurities.
3. The first special force of Independent India is known as the Special Frontier force. The base of this force is in the Uttarakhand state of the country. Establishment 22 is another term used because the 22nd mountain division was commanded by its first inspector general. In the context of the Indo-china war of 1962, they were mainly responsible to handle the tensions and protect India from Chinese aggression.
4. India has long coastlines. Hence the Indian Coastal Force Is a special force of our country, which protects the maritime interest of the country, India.
So, the correct answer is Option C.
Note: All of the Armed Forces come under the Ministry of Home Affairs and divided into various categories. They are armed forces, paramilitary forces, centered Armed Forces, special Armed Forces, Coast guard forces, etc.