In a caste system, people
a. can move from one level of society to another
b. work to create a society in which levels are eliminated and everyone is viewed as equal
c. are born into and must remain at a certain level of society
d. become hindu to improve their place in society

In a caste system, people are born into and must remain at a certain level of society. The correct option among all the options given in the question is option "c". Caste system is a system that does not allow a person or his coming generations to change to a higher caste however hard he or she tries. It can said that the caste system has more negative angle in today’s world than positive angle. Education was restricted for lower caste people in the years that had gone by.

C there is no social mobility in the Indian Caste System