Defence Minister Manohar Parrikar today asked Defence Research and Development Organisation, DRDO to focus on defence technology requirements of the Armed Forces. <br/><br/>Speaking at a conference in DRDO Headquarters in New Delhi, the Minister said DRDO should develop similar depth of interface with Army and Indian Air Force as it has with Navy. <br/><br/>He also asked top brass of DRDO to avoid duplication of activities by labs for economic efficiency. <br/><br/>The Minister released a booklet on 'DRDO Guidelines for Transfer of Technology' on the occasion.