Here are the steps to check the seat availability for the 2nd round of counseling at Sai Vidhya College:

1. Visit the Official Counseling Portal : Go to the official website of the relevant counseling authority for your state or region (e.g., KEA for Karnataka).

2. Login/Registration : Log in using your credentials. If you haven't registered yet, complete the registration process.

3. Seat Matrix/Allotment Section : Look for the "Seat Matrix" or "Seat Allotment" section on the portal.

4. Select Round 2 : Choose the 2nd round of counseling to view available seats.

5. Search for Sai Vidhya College : Filter the results by selecting Sai Vidhya College to see the number of seats available.

6. Download/Print : If needed, download or print the seat matrix for future reference.

For precise information, it's best to consult the official counseling website or contact the college directly.