Dehradun, April 3 -- The police and administration sealed four bookstores for selling school textbooks with irregularities, here, on Tuesday. The bookstores (National Book House, Asian Book Depot, Brothers Bookstore, and Universal Book Depot) were found selling books without ISBN numbers and barcodes during a surprise inspection by the administration and the state tax department. An ISBN (International Standard Book Number) is a unique number assigned to each published book. It helps identify books and is used by publishers, bookstores, and libraries to keep track of them.

The police said that cases against the store owners were registered at Kotwali Nagar. However, even after legal action, the bookstores continued selling books. When th...