Which language is good enough to get good job in CS field..?

Answer 1

it's better to know the popular languages like
Python , Java , C++ , C# ,SQL etc
If you have passion of coding and good knowledge of these languages then definitely you will get a good job.
Refer this link
https://www.quora.com/Which-programming-language-should-I-learn-to-get-a-job-after-earning-my-B-Tech-in-computer-science-in-India

Answer 2

for me the best language u will focus is php and java since its a demand today