Microwave Tube Research & Development Centre (MTRDC), a premier DRDO lab under the Ministry of Defence, Government of India, has announced a walk-in interview for the post of Junior Research Fellow (JRF). The walk-in will be conducted at MTRDC, Bangalore on 8th January 2026. This is an excellent opportunity for candidates with a background in Material Science or Metallurgy to contribute to cutting-edge R&D in vacuum electronic devices. The fellowship is initially for two years and may be extended as per rules.