Consider the following statements regarding Defence Scientific Information & Documentation Centre (DESIDOC):
1. The Defence Research and Development Organisation has an internal system of communication that acts like a private Internet system.
2. DESIDOC connects various centres working on crucial defence projects, thus securing them from any kind of hacking or interception.
3. The Defence Scientific Information & Documentation Centre (DESIDOC) is located in Mumbai.
Which of the above statements are correct?
(a) 1, 2 only
(b) 1, 3 only
(c) 2, 3 only
(d) 1, 2, 3