It is more than what is mentioned in the article but is much less than 100,000.
Actually its less than half of what is claimed and spread as a propoganda against india by pakistan and its supported terror outfits.Here's what the data says:
In the last 21 years,
43,460 people have been killed in the Kashmir insurgency.
Of these,
21,323 are militants
13,226 civilians killed by militants
3,642 civilians killed by security forces
5,369 policemen killed by militants.