After 100 years you (your grand children) will get a notice stating the lease is over. You would then have two options.The land development rights of the properties are given and sold to the developers for a lease period of 99 years. A 99-year lease is, under historic common law, the longest possible term of a lease of real property. The buyer will be the owner for 99 years after which the landowner can assert ownership of the land again. A 99 year lease agreement allows a lessee rights to a property for 99 years through a registered long term lease. Lease Calculator India : The ClearTax lease calculator allows you to calculate monthly lease payments, total payments, and total interest paid. A ground rent lease is usually for 99 years and renews indefinitely. Additionally, the lessee would pay a nominal lease rent on an annual basis over the entire 99 years period (i.e. This arrangement can lead to higher rent for the landlord but risks losing the land if the tenant defaults.