atul@atul:~> rpm -qa "mozilla-*"
mozilla-nss-3.11-19
mozilla-nspr-devel-4.6.1-20
mozilla-xulrunner-1.8.0.1-32
mozilla-nspr-4.6.1-20
atul@atul:~>
-------------------------------
   mozilla-nss-3.11.1-2.1.i586.rpm
mozilla-nspr-4.6.1-20.i586.rpm         mozilla-nss-devel-3.11.1-2.1.i586.rpm
mozilla-nspr-devel-4.6.2-2.1.i586.rpm
atul:/home/atul/Desktop #
===========================================================
atul:/home/atul/Desktop # rpm -ivh --force mozilla-nss-devel-3.11.1-2.1.i586.rpm
warning: mozilla-nss-devel-3.11.1-2.1.i586.rpm: Header V3 DSA signature: NOKEY, key ID 71423d59
error: Failed dependencies:
        mozilla-nss = 3.11.1-2.1 is needed by mozilla-nss-devel-3.11.1-2.1.i586
atul:/home/atul/Desktop #