Hi Ritesh,
Congrats for passing SCJP
and about preparation for SCWCD..
Time :- It totally depands on you how muchtime do you give for preparation. If you spend 4-5 hours a day then within 2 month you will be ready to appear for the exam.
Cost: - you know it same as SCJP1.4. (�111)inclusive of tax.
Books:- HF
Servlets and
JSP best bet if you are a beginner. You can also try SCWCD exam study kit by Hanumant Deshmukh. It is also a very good book
I used both the books and also refered the specs...
Mock exams:- follow these links--
http://www.javaranch.com/scwcdlinks.jsp http://www.j2eecertificate.com/SCWCD register there its free