Contact Us
Last updated 30 September 2026
Customer Support & Inquiries
We are here to assist provision, general, and all small retail store owners with any questions regarding Kadai Book, technical support, billing, or account management.
You can reach our team via phone or email during our operational hours. We strive to attend to all requests promptly.
Operating & Support Hours
Monday through Saturday: 9:00 AM – 9:00 PM IST
Sunday: Closed (urgent billing or service requests will be addressed on the next business day).
Registered Office & Grievance Officer
For escalations, legal compliance, or formal correspondence, you may contact our registered enterprise directly at the address below.
Contact
SUDHA SOFTWARE
3/306, Kesavan Maligai, Near Periyamariamman Temple, Chinnasiragapadi, Salem, Tamil Nadu 636308