Offline Flutter App for OCR Document Recognition

Need a flutter app to work offline to do OCR of aadhar card, pan card, driving licence using Google ml kit or any other free kit unless paid ceriosn only required for one time payment.. We do not need any backend service to do the OCR, on phone itself... (Budget: ₹1500 - ₹12500 INR, Jobs: Android, Flutter, Image Processing, iOS Development, Java, Mobile App Development, Mobile Development, OCR)