DRDO’s DEBEL Successfully Conducts High-Altitude Trials of Indigenous Oxygen System for LCA Tejas DRDO’s DEBEL Successfully Conducts High-Altitude Trials of Indigenous Oxygen System for LCA Tejas Shivam Dwivedi 6 March 2025 The Defence Bio-Engineering & Electro Medical Laboratory (DEBEL), a premier facility under the Defence Research and Development... Read More Read more about DRDO’s DEBEL Successfully Conducts High-Altitude Trials of Indigenous Oxygen System for LCA Tejas