Worship of this ling is believed to cleanse a person of various crimes especially, govadha(cow slaughter), killing a Brahmin, killing a baby and such similar crimes. Worshiping this ling regularly and doing good karma a person can attain salvation or moksha.Besides curing many diseases it wards of high blood pressure, asthma, heart disorders, and one important aspect is, it develops mind power to attain strong will which is good for growth of both physical health and mind.
In big cities where nuclear families is the order of the day, Parad shivling benefits worship will harmonise the relationships among all the members of the family. It ensures a home of prosperity and peace. There will be no want; all human needs will continue to be bestowed on the family.
http://paradlingam.com/benefits.htm