The Institute of Company Secretaries of India(ICSI) is constituted under an Act of Parliament i.e. the Company Secretaries Act, 1980 (Act No. 56 of 1980). ICSI is the only recognized professional body in India to develop and regulate the profession of Company Secretaries in India. The Institute of Company Secretaries of India awards the certificate of bestowing the designation of Company Secretary(CS) to a candidate qualifying for the membership of the Institute. It was in 1960 that the Company Law Board started a course in Company Secretaryship leading to the award of Government Diploma in Company Secretaryship. As the number of students taking up the Company Secretaryship course grew, the Government promoted on 4th October, 1968, Institute of Company Secretaries of India under Section 25 of the Companies Act, 1956 for taking over from the Government the conduct of Company Secretaryship examination. The Institute of Company Secretaries of India (ICSI) has since been converted into a statutory body w.e.f. 1.1.1981 under the Company Secretaries Act, 1980. The Institute provides top-quality education to the students of Company Secretaries (CS) Course and best quality set standards to CS Members. At present, there are more than 50,000 members and about 4,00,000 students on the roll of ICSI.

The Institute of company Secretaries of India (ICSI) has its headquarters at New Delhi and four regional offices at New Delhi, Chennai, Kolkata and Mumbai.

ICSI has been contributing to the initiatives of Government of India that have potential to excel the social-economic growth of India..