A doctoral degree is the usual educational requirement to become an astronomer. Those who opt for this field, should pass their plus two examination under the science stream, specially in physics and math's.Since universities offering undergraduate programme in Astronomy are rarely found, one can join for a major/ honours in Physics with Mathematics as a subsidiary subject. Thereafter, take a master's degree in Physics or Astronomy.For details about Astrophysics Institutes click here
For details about Astronomy click here