Reliance Industries Limited — lost of 154 nos of physical equity share

Address:

Allahabad, Uttar Pradesh, 211002

I have procured 154 shares in name of rakesh kushwaha of rilat folio no[protected] which is lost now. Now we need to add middle name as chandra. What is the procedure to get duplicate certificate as well as dematerialisation process considering the addition of middle name? Kindly let me know.
Rakesh kushwaha, 78d, allenganj, bund road, allahabad-211002