Career

An astronaut is a person trained by a human space flight program to command, pilot, or serve as a crew member of a spacecraft. Although generally reserved for professional space travellers, the terms are sometimes applied to anyone who travels into space, including scientists also. Following are the general eligibility criteria to become an astronaut:
(a)Bachelor's degree from a recognised university in engineering, Science, or mathematics etc. An advanced degree is desirable.
(b)At least 1,000 hours pilot-in-command time in jet aircraft. Flight test experience is highly desirable.
(c)Medically fit
Indias first two astronauts were from Indian Air Force Fighter Pilot branch. By the way opportunities for Astronauts in India is almost nil.

Dear,
A degree in Actuarial Science is globally recognized and provides a zero unemployment profession. The cost of studying is also low. Truly this makes
Actuarial Science a smart career.
After clearing 1 to 2 papers, the candidates are normally absorbed as actuarial
analysts (with a handsome stipend) in the insurance companies KPOs etc.
Actuaries deal primarily in the financial sector. Actuaries and actuarial trainees
are employed by the following national and international organizations:
Insurance companies [be it private or public- life or general or Reinsurance]Firms of Consulting ActuariesAuthorities like IRDA, PFRDA & TAC.Asset Liability Management CompaniesLarge banks and Investment Firms like World Bank, ADB, etcEmployee Benefit Companies- likely to be opened in India soon.Large Capital & Turnkey Project Handling Companies.KPOs, etc
All the best.