To accept offline payments with Adivaha's travel portal, you can follow these steps:

1. Contact Adivaha: Fill out the contact form on the Adivaha website (https://www.adivaha.com/contact-us.html) to express your interest in accepting offline payments.

2. Sales Representative: A sales representative from Adivaha will get in touch with you to discuss your requirements and provide you with the necessary documents such as SLAs, invoices, and payment links.

3. Payment Process: The sales representative will guide you through the offline payment process, which may involve bank transfers, checks, or other offline payment methods.

4. Project Delivery: Once the payment is processed offline, Adivaha will start working on your project, which typically takes around 2 weeks. They will also provide private branding and assist you in going live on production.

5. Support: Throughout the process, you can rely on Adivaha's support team for any assistance or queries you may have regarding the offline payment acceptance or any other aspect of your travel portal.

By following these steps and working closely with Adivaha's team, you can seamlessly accept offline payments for your travel portal.