certifications on IT are as varied as specialisation in medicine.
each part of the body can have a certification.
burushdi , you hace to be more specific as what you are trying to communicate. you have a very generic question and too many details also with respect salary of the thousand certifications that are available.
lbman- CISA & CISM are considered important if a person wants to pursue his career in those directions..if for e.g he was a SAP guy or an Oracle guy..how will they help him??

smile..it never hurts..