Hello ,

Yes you can be eligibility criteria says that :-

• You must be citizen of India
• Your age limit must be in between 21-35 years
• You must have a valid graduation degree in law from any recognised Institute

And LLB degree is a valid law degree .

So, yes you can become a civil judge after 3 years LLB degree .

You can check this article for some encouragement :-

https://www.google.com/amp/s/law.careers360.com/articles/indian-judicial-services-examination-what-and-how-prepare/amp

Good Luck .