National Highway 34 (NH 34) is a critical artery in West Bengal, connecting Kolkata to North Bengal. The stretch passing through (including areas like Barasat, Madhyamgram, and Sodepur) is a major hub for pharmaceutical units.
October 2025 Sources: WHO Model List of Essential Medicines, FDA NSAID Safety Communication, DailyMed, regional generic drug catalogs. dnh drugs nh 34