The most commonly cited defining features of Caste system in India:

(A) Caste groups are endogamous
(B) Caste is a matter of choice
(C) Segmental organisation
(D) Caste is arranged in a hierarchy of rank and status

Choose the correct answer from the options given below:

(A), (C) and (D) only

The correct answer is Option (2) → (A), (C) and (D) only

Out of the listed options, the most commonly cited defining features of the Caste system in India are:

* **(A) Caste groups are endogamous:** This means members are expected to marry within their own caste group.
* **(C) Segmental organisation:** Society is divided into separate and distinct caste groups, each with its own customs, traditions, and occupations.
* **(D) Caste is arranged in a hierarchy of rank and status:** Different castes occupy different positions in the social hierarchy, with some castes considered superior to others.

Here's why the other option is not a defining feature:

* **(B) Caste is a matter of choice:** Birth determines your caste in the traditional caste system. There's no choice involved.

Therefore, the correct answer is: **(A), (C) and (D) only**