Evaluation of each option:
- Shaheed Diwas occurs on 23 March, honoring the martyrdom of Bhagat Singh, Sukhdev Thapar, and Shivaram Rajguru.
- Parakram Diwas (Courage Day), established in 2021, recognizes the birth anniversary of Netaji Subhas Chandra Bose, observed on 23 January.
- National Youth Day falls on 12 January, commemorating the birth of Swami Vivekananda.
- Hindi Diwas is observed on 14 September, marking the adoption of Hindi as India's official language.
Considering the description of 23 January and the provided options, Parakram Diwas is the correct selection.