Their are various colleges that take admission through LSAT. I am attaching a link that will give you the details of the participating institute and when you'll click on any of them you'll get to know the fee structure of respecting colleges following under LSAT 2019.
However, if you want to know the application fee then it is Rs 3, 800 for all (General/ OBC/ SC/ ST/ PwD/ Female). Application form is out and will remain available till May, 15 2019. Here, is the link of apply: https://law.careers360.com/articles/lsat-india-application-form