Ashwini

• Low-Level Transportable Radar (LLTR) ‘Ashwini’ is an active electronically scanned phased array radar. 
• It is used to monitor slow-moving targets such as high-speed fighter aircraft, unmanned aerial vehicles (UAVs) and helicopters . 
• This radar is based on state of the art solid state technology. 
• It has been indigenously designed and developed by Electronics and Radar Development Establishment (LRDE) and Defence Research and Development Organisation (DRDO). 

• Bharat Electronics Limited (BEL): 
  • It is a Navaratna Public Sector Undertaking (PSU) operating under the Ministry of Defence, Government of India . 
  • It was established in 1954 to meet the defence needs of the nation. 
  • The organization is engaged in various fields of defence electronics and professional electronics, providing modern technical support to the Indian Defence Forces. 
  • Production Units: 
    • BEL has several manufacturing units located in Bengaluru (Head Office), Ghaziabad (Uttar Pradesh) , Panchkula (Haryana) , Kotdwar (Uttarakhand) , Hyderabad and Machilipatnam (Andhra Pradesh) , Navi Mumbai and Pune (Maharashtra) , and Chennai (Tamil Nadu). 

 Defence Research and Development Organisation (DRDO)  

• Introduction:
  • DRDO is the research and development arm of the Ministry of Defence aimed at empowering India in cutting-edge defence technologies. 
  • Efforts towards self-reliance and successful indigenous development and production of strategic systems and platforms like Agni and Prithvi missile series , light combat aircraft Tejas , multi-barrel rocket launcher Pinaka , air defence system Akash , a wide range of radars and electronic warfare systems etc.  
• Establishment:
  • It was established in 1958 by the integration of the Technical Development Establishments (TDEs) and Directorate of Technical Development & Production (DTDP) of the Indian Army and the Defence Science Organisation (DSO) . 
  • DRDO is a network of more than 50 laboratories intensively engaged in development of defence technologies covering various disciplines such as aeronautics, armament, electronics, combat vehicles, engineering systems etc.