<div>President Ram Nath Kovind today nominated four persons to the Rajya Sabha. They are farmer leader Ram Shakal, Author and Columnist Rakesh Sinha, Sculptor Raghunath Mohapatra and Classical Dancer Sonal Mansingh. </div>''<div></div>''<div>Four seats of the upper house were vacant after the retirement of cricketer Sachin Tendulkar, veteran actress Rekha, social activist Anu Aga and veteran lawyer K. Parasaran. <br />''</div>