Contact Us
How to reach the people who run CosineHQ.
Last updated 13 August 2026
Support
Email engage@pernicia.in. We reply within 2 working days, usually sooner. Include the email address on your account so we can find you.
Refunds and billing
Same address — engage@pernicia.in. See the refund and cancellation policy for what we can refund and how long it takes.
Your personal data
To get a copy of your data, correct it, or have your account deleted, email engage@pernicia.in from the address on your account. We action these within 30 days.
Complaints about how we handle personal data go to our grievance officer at engage@pernicia.in, who will respond within 30 days.
Business hours
Monday to Friday, 10:00–18:00 IST, excluding public holidays in India.