Privacy Policy

Vizhi is the anti-drug campaign platform of the District Administration, Coimbatore, Government of Tamil Nadu. This policy explains what information the platform collects, why, and how long it is kept.

Students

Students do not create accounts. To take part in an activity, a student gives:

• their name, roll number, date of birth, email address and mobile number;
• if they are under 18, that a parent or guardian agrees.

These details are used only to count participation and to stop the same student registering twice. Institution staff, the District and the public see counts, never a student's details. No page or report on the platform shows them.

Student details, and any file, text or link a student hands in for an activity, are deleted automatically 30 days after registration. After that the platform keeps only a one-way coded form of the mobile number and email, which cannot be turned back into the original but still prevents duplicate registrations, along with the activity result (for example a quiz score) without any name attached.

Photos taken with the campaign photo frame are made on the student's own device and are never uploaded.

Staff

District members, institution heads, faculty and volunteers sign in with an account. For these accounts the platform keeps the person's name, email address, mobile number, role and institution. Actions taken while signed in, such as approving a submission or downloading a report, are recorded in an audit log that cannot be edited, so that the campaign stays accountable.

Proof photos and documents that staff upload for an activity are kept as part of the campaign record.

Everyone

To protect the platform from abuse, each request's internet address is used briefly to limit repeated attempts, and public forms use Cloudflare Turnstile to check that a person, not a program, is filling them in. The platform uses a sign-in cookie for staff only. It has no advertising, does not track visitors across other websites and does not sell or share personal information.

The platform runs on Cloudflare. Emails, such as invitations and password resets, are sent through an email delivery provider.

Your choices

A student who wants their details removed before the 30 days are up, or a staff member who wants their account corrected or closed, can ask through their institution or the District Administration, Coimbatore.

Changes

If this policy changes, the new version will be published on this page with a new date.