If you've mistakenly filled in the wrong 10th board while applying for B.Sc. Agriculture after your MHT-CET exam, here's what you can do:

1. Contact the Authorities : Immediately reach out to the admission authorities of the college or university where you applied. Explain the mistake and request a correction. Most institutions have a process for correcting such errors.

2. Email or Write a Formal Letter : Send an email or formal letter to the admissions office detailing the mistake. Include your application number, correct details, and any supporting documents like your 10th and 12th-grade mark sheets.

3. Follow Up : Keep following up with the authorities until the issue is resolved. Ensure you get a confirmation that the correction has been made.

4. Document Proof : Keep copies of all correspondence and any acknowledgments from the authorities for your records.

5. Check Application Status : Regularly check the status of your application online or through any provided means to ensure the correction has been updated.

6. Visit the Office if Needed : If possible, visit the admission office in person to resolve the issue quickly.

Act promptly to rectify the mistake, as admission processes often have strict deadlines.

hope this helps you!!