How much time it will take to master C#

Answer 1

Jeet Boy you can learn and become somewhat proficient in any language in about a year to two but to master a language may take years... A benchmark is approximately 10,000 hours or 10 years ... Just as a junior developer, it is usually 1 to 8 years, and senior developer thereafter ...

Answer 2

A short answer is: A LOT.
Really, to *master* any programming language takes a plenty of time and effort.