1. रजत जयंती (Rajata Jayanti): This translates directly to "Silver Anniversary." It's the most common way to express the concept.
* रजत (Rajata) - Silver
* जयंती (Jayanti) - Anniversary
2. रजत महोत्सव (Rajata Mahotsav): This translates to "Silver Festival" and emphasizes the celebratory aspect.
* महोत्सव (Mahotsav) - Festival, grand celebration
3. रजत वर्षगांठ (Rajata Varshaganth): This translates to "Silver Anniversary" with a slightly different nuance.
* वर्षगांठ (Varshaganth) - Anniversary (more literal and emphasizes the "year" aspect)
You can choose the phrase that best fits the context and desired level of formality.