OSRAM India Pvt. Ltd. Offers Fully Dimmable Halogen Lamps. The OSRAM plant in Sonepat is the fourth in India and the seventh in the world to be awarded the Best4 [Business Excellence Sustainability Task] Integrated Management certification by RINA. Fully Dimmable Halogen Lamps provide light in furniture, cabinets and narrow luminaries and can give entire rooms a make-over. Fully Dimmable Halogen Lamps can be used indoors and outdoors. Indoor lighting includes kitchen lighting, dining table lighting, light for reading, mirror lighting, object lighting, etc.