Electronics and Radar Development Establishment

Electronics and Radar Development Establishment (LRDE) is a laboratory of the Defence Research & Development Organisation (DRDO), India. Located in C.V. Raman Nagar, Bengaluru, Karnataka, its primary function is research and development of radars and related technologies. It was founded by S. P. Chakravarti, the father of electronics and telecommunication engineering in India, who also founded the Defence Electronics Research Laboratory and Defence Research and Development Laboratory.

LRDE is sometimes misabbreviated as "ERDE". The distinction uses the first letter from the Greek root elektron which is also applied in other DRDO abbreviations. The same approach is used with for the DLRL. The LRDE is India's premier radar design and development establishment and plays a key role in national radar programs. Its primary production partners include Bharat Electronics Limited (BEL) and various private firms like CoreEL Technologies, Bangalore, Mistral Solutions in Bengaluru, Astra microwave in Hyderabad and Data Patterns in Chennai.