Actuary

Actuarial Science is a discipline that applies Mathematical and Statistical Methods
( mainly Probability theory ) to asses the risks in Insurance and Financial sectors. In other words Actuaries are risk assessment professionals / specialists. They are assessing risk on the basis of probability theory and possibilities for risks in future.Also analyses previous risk histories and loss ratio and fix risk rate for insurance companies.
Actuaries are key professionals in Insurance companies. They may get more salary than CEO. Actuaries are highly paid professionals.
B.Sc -Actuarial Science and Masters level programs available with major universities. Besides Institute of Actuaries of India also providing various fellowship, Certificate and Diploma programs in actuarial Science / Techniques. For more details and registration, please go through the below link.
http://www.actuariesindia.org/subMenu.aspx?id=25&val=Types_of_Membership
all the Best

Both are high profiled Jobs. Please understand that Actuarial Science is different from Commerce and Management. It is a separate Branch. It is more related to Applied Mathematics and Statistics. B.Sc and M.Sc courses in Actuarial Science are available. Besides, Actuarial Institute of India is conducting fellowship programs in Actuarial Science like ICS(Company Secretaryship) and CA.
Actuaries and professionals who are working with Financial / Insurance companies who are assessing risks in insurance and financial firms by analyzing probabilities and possibilities of losses. It requires previous case analysis, comparison of risks and amount of loss in future, fixing Risk rate for insurance such as Motor / Vehicle Insurance, Home/ Health Insurance, Marine Insurance and other products.
An actuary is the key factor in an Insurance company, he is fixing even risk rate.Actuaries may be independent professionals or company hired employees. They are well paid professionals with monthly package of 5-30 Lakhs.
Company Secretaries are the principle official of a company. They comes after Chairman, BOD and MD. He is one who is addressing the company in courts. He is the person who is authorized to issue bonds, shares and debuntures on behalf of the company. He is advisor of the company in corporate strategies and laws.
He may be independent professional or hired staff. However, companies are spending 5-20 Lakhs / Month for qualified secretaries. He can also practice independently with the following services
1. Company Registration
2. Auditing Services
3. Patend Registration
4. Preparing Amendment for clients etc. and many more corporate services.
Chartered Accountants also highly paid professionals who is dealing entire acconuts management, tax submission, Internal Auditing etc.
So its difficult to find out who is getting more salary / remuneration. It may vary person to person. It is depents uopn the efficinecy , Popularity, experience and repuatation of these professionals .