Dear N.S.Prabaharan, Recently I got some quotations for D.D.C. Below I have given the details D.D.C. Price : 550 Dollars Discount : -- Latest edition no : 22 running (23 upcoming) Availability : 22 Edition Available Time for delivery : 22 available (23 will be available in June/July) Book Seller name and Town : Sapna Book House,Bangalore for more details contact to the book house. -- With Regards, Manjunath Ealiger Librarian-Gr - II, ESI-PGIMSR (Govt. oF India), Rajajinagar, Bangalore -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.