New Delhi, Sept. 24 -- The Defence Research and Development Organisation (DRDO) has signed its first high-value deep-tech project agreement under the Technology Development Fund (TDF) scheme with Rajasthan-based start-up Zero mK India Pvt Ltd for the indigenous development of a 20 millikelvin (mK) dilution refrigerator for quantum applications.

The agreement was signed in the national capital between the Director, TDF, and Zero mK India Pvt Ltd, Alwar, marking the first high-value project under the Rs 500-crore corpus approved by Defence Minister Rajnath Singh for deep-tech and cutting-edge technology projects.

Dilution refrigerators are specialised cryogenic systems capable of achieving temperatures in the millikelvin range and are criti...