Gupta-lekhana, eka paricaya
By: Dhurendra Kumāra Garga, Pramoda Kumāra Saksenā.
Contributors: Saksenā, Pramoda Kumāra.
Publisher: Avirāma Prakāśana
Published: 1998
Place of publication: Dillī
Language: hin
Number of pages: 186
Subjects: Cryptography.
Description: An introduction to various ways of secret writing for purposes of spying; covers the period, ancient to modern times.
Notes: Hindi and English.
"Rakshā Anusandhāna tathā Vikāsa Saṅgaṭhana, Bhārata Sarakāra dvārā prathama puraskāra se puraskr̥ta."