Open Settings in Vidia and tap Chat with us. You can also contact us from the subscription screen. Vidia is a paid app. Payment is required for learning access; there is no free learning tier.
Please tell us what you were trying to do and what happened. For an app issue, include your device, app version and the exact error. Never send passwords, verification codes or full payment card details.
If you need a person, ask in the conversation. Our listed support hours are Monday to Friday, 9 am to 8 pm, Asia/Kolkata.