According to Section 79A of Kerala Land Reforms Act, if any person has been using the way continuously for a period of more than 20 years then he can claim right of easement in the property.
But there should be a public road and the person claiming easement is require to prove that he has no other alternative way to access that public road. If there is any alternative way to access that public road or he has been enjoying easement for less than 20 years then he can't claim. he does nor accrue any right of way on the basis of an easement of necessity.