Which one of the following is/are all-India Services?

1. Indian Administrative Service
2. Indian Foreign Service
3. Indian Police Service
4. Indian Defence Service

Select the correct answer using the codes given below:
a) 1 and 3 only
b) 1, 2 and 3 only
c) 1, 3 and 4 only
d) 1, 2, 3 and 4

Ans– a

Explanation-There are only three AIS as of now, Indian Administrative services, Indian forest services and Indian police services. Feature of AIS is they are recruited by Union but they serve under state governments.

Indain defence services are Indian armed forces under Ministry of Defence