Hello sir,
.
Yes, ofcourse you can do law in Hindi medium.
There are various colleges which provide you Law in Hindi medium.
But sir to tell you which colleges are there in your state or area,you haven't mentioned a particular State you stay or you want to go.
.
Don't worry,i will help you out with some colleges.

• LLOYD Law college
• Rashtrasant tukdoji maharaj University
• HKEs seth Shankar lal Lahoti college
• School of law
• Damnai gopabai Bhairutan Dayanand University
• The bar council of India (BCI) which  governs standard of legal education in India introduced a 30 years age limit for the 3 year L.L.b course

Hello,

yes dear llb course is also available in hindi in the following colleges..
1. Lloyd Law College - Greater Noida, Uttar Pradesh
2. Rashtrasant Tukdoji Maharaj Nagpur University - Nagpur, Maharashtra
3. H.K.E`s Seth Shankarlal Lahoti Law College - Gulbarga, Karnataka
4. School of Law - Indore, Madhya Pradesh
5. Damani Gopabai Bhairuratan Dayanand Law College - Solapur, Maharashtra
dear
The Bar Council of India (BCI), which governs standards of legal education in India, introduced a 20 years age limit for the five-year LLB course and a 30 years age bar for the three-year LLB course from this year.
so all the best