- ISBN10 8170580218
- ISBN13 9788170580218
- Publish Date May 1991 (first published 1 December 1981)
- Publish Status Active
- Publish Country IN
- Publisher Sri Aurobindo International Centre for Education
- Imprint Sri Aurobindo Ashram Publications Department
- Edition 9th Revised edition
- Format Paperback
- Pages 108
- Language English