Dr. Kumar Rupesinghe has sent a Letter of Demand to the Editor of Dinamina Newspaper and Associated Newspapers of Ceylon Ltd, to pay him Rs. 500 million as the loss caused to him due to defamation. The Letter of Demand has been sent by his attorney, Miss Sajeewani Kasthuriarrachchi, to Mr. Mahinda Abeysundera, Editor, Dinamina and the ANCL.