These revisions are preferred against the Order of the Rent Control Appellate Authority/Principal Sub Court, Mayiladuthurai, made in RCA Nos.13/91, 12/91, 1/92, 11/91 dated 18.06.1999, ordering eviction on the ground of willful default.

2. All the revisions arise out of a common Order. Since common points for determination are involved, all four Revision Petitions were heard together and disposed of by this common Order.

3. The Rent Control proceedings had been lingering on file for nearly two decades. Factual background are as follows:-

A row of shops originally fell to the share of one Namachivayam. Namachivayam had two sons – Chidambaram and Ponnambalam. Petitioners have become Tenants under the said Ponnambalam in a row of shops bearing D.No.13, 13A, 13B and 13D on a monthly rent of Rs.40/-. The Respondent/Landlady purchased the demised premises from the said Ponnambalam and Natarajan by the Sale Deed dated 24.04.1985. The landlady sought for eviction on two grounds viz., Wilful Default [Section 2(i)] and Demolition and Reconstruction [Section 14(1)(b)] of Tamil Nadu Buildings [Lease and Rent Control] Act, 1960. It was alleged that the Tenants had committed default