Orient Blackswan

Orient Blackswan Pvt. Ltd., formerly Orient Longman India, commonly referred to as Orient Longman, is an Indian publishing house headquartered in Hyderabad, Telangana.

The company publishes academic, professional and general works as well as school textbooks, of which the "Gul Mohar" series of English-language school books grew popular. It also publishes low cost reprints of foreign titles. Provided by Wikipedia