INS Vela- Relevance for UPSC Exam GS Paper 3: Security- Security challenges and their management in border areas; linkages of organized crime with terrorism.   INS Vela- Context Recently, the Indian Navy took delivery of the fourth `Scorpene’ class submarine- INS Vela from Mazagon Dock Shipbuilders Limited (MDL). Previously, the shipyard delivered three submarines … Continue reading INS Vela- Fourth Scorpene Class Submarine