Indian Railways and its contractor used patented technology of Garware Ropes without paying any royalty. The excuse used by them was that it for Indian Railways and Indian Railways invite tenders in the name of President of India.
Yet, Mumbai High Court gave ruling in favor of Garware Ropes and said that tha Garware Wall Ropes can not be deprived of fruits of patents.
News in Times of India can be accessed at link below
And Mumbai High Court Order is here