To become a Market Research Analyst, you will need a minimum of a Bachelor's degree in the relevant fields like finance, marketing, etc., after completing 12th examinations/ grade.
Therefore, after passing 12th, it will take a minimum of 3 years to become a Market Research Analyst.
Some companies may offer training programs to their employees to perform better as Market Research Analysts. You should consider taking a few courses that provide value to your resume when you apply for a Market Research Analyst job role.