Hi Dear,
CS stands for Company Secretary. The company secretary course is a professional course offered by the Institute of Company Secretaries of India (ICSI).A student who has successfully passed 10+2 or equivalent examination is eligible to enroll for this course. The course consist of following levels:
You can visit the link below for complete details about fees and registration process:
https://www.icsi.edu/media/webmodules/aboutus/courses/CS_Course_01042014.htm
Good Luck
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