I managed to get it last week, and based on my experience would recommend visiting in person if possible (realise this is difficult if you don't live near a city that has one of their offices). I didn't have any problems with the online forms, managed to book an appointment for the next day, and I was able to make the couple of extra copies of some of my old visas while I was there. Had I done it by mail I guess I'd have had to send everything in again. It was done and ready to pick up - or you can choose to get them to mail it back - within 2 days. I can't really speak to whatever problems people are having with the website, but I would say once you get to the office they are helpful in making sure you have all the relevant pieces in order to process it. 

I do know some people have had problems with fulfilling the proof of address requirement where students live on campus (not an issue if you also have a US permanent address, but tricky for international students). They do accept a letter from the University, this obviously just takes a bit of forward planning. 

On 11 November 2013 15:00, Alfred Snider <[log in to unmask]> wrote:
Anybody else have visa troubles for WUDC India? BLS International is a disaster. Tell me what is happening with you and your students, please.

The website works sometimes and others not. So far it has worked about 20% of the time at http://www.visa.blsindia-usa.com/. When I called a helpline I got someone who I could not understand because of static and drop outs. Another time I called the help line (888) and was told by a robot voice that my account has run out of money, even though I can call all other numbers without a problem. At another time I actually got someone and they told me it would be no problem in 3-5 days, but could not answer questions except to assure me all would be fine. "Don't worry" was not very reassuring. Especially given the stories I found about this service (listed below).

Articles I found:
Edwin Lawrence Professor of Forensics, University of Vermont
Director, Lawrence Debate Union; Director, World Debate Institute
475 Main Street, UVM, Burlington, VT 05405 USA
802-238-8345 mobile, 802-656-0097 office, 802-656-4275 fax
@asnider Twitter