The keywords point to 'Black' (2005): it features a character with Alzheimer's disease (the father), an alcoholic teacher (Debraj, played by Amitabh Bachchan), and the protagonist Michelle is both deaf and blind who overcomes challenges to eventually graduate. The film is inspired by 'The Miracle Worker' (Helen Keller's story), which is option B - but 'Black' is the specific Bollywood adaptation being referenced.