Hey Jay,

You have many options for preparation of NEET by hindi medium books.You may refer to the following books:

• Master the NCERT for NEET Jeev Bigyan part 2
• 40 Days NEET Rasayan 
• Objective NCERT for Chemistry
• Objective NCERT for Biology 
• Objective NCERT for Physics
• Master NCERT Jeev Vigyan Part 1
• 31 Varsh NEET Chapter Wise Solved Papers
• Self Study Guide NEET

Hope this helps.You may also take the help of mock test papers and solved past year papers.

Thank you.

Dear Sir / Ma'm, the best preparation books are primarily of the NCERT pattern. In Hindi, you can follow, "Objective NCERT at your fingertips" by MTG for physics, chemistry and biology respectively in Hindi for classes 11th and 12th. You can also follow the Arihant series for better problems.