IN THE COURT OF APPEAL OF THE DEMOCRATIC SOCIALIST REPUBLIC OF SRI LANKA In the matter of an Application for Writs of Certiorari and Mandamus in terms of Article 140 of the Constitution of the Democratic Socialist Republic of Sri Lanka.

Nalaka Chaminda Jayaweera.

29,‘‘Sirila’’, Thihariya South Road, Kalagedihena - 11875 PETITIONER C.A. Case No. WRT-0362/19 Vs.

1. Sri Lanka Institute of Architects.

120/7, Vidya Mawatha, Colombo 07.

2. Russell Dandeniya.

President, Sri Lanka Institute of Architects

120/7, Vidya Mawatha, Colombo 07.

3. Veranjan Kurukulasuriya.

Immediate Past President, Sri Lanka Institute of Architects

120/7, Vidya Mawatha, Colombo 07.

4. Rohana Bandara Herath.

Senior Vice President, Sri Lanka Institute of Architects

120/7, Vidya Mawatha, Colombo 07.

5. Dilumini De Mel.

Vice President, Sri Lanka Institute of Architects

120/7, Vidya Mawatha, Colombo 07.

6. Nandaka Jayasinghe.

Secretary, Sri Lanka Institute of Architects

120/7, Vidya Mawatha, Colombo 07.

7. Damith Premathilake.

Treasurer, Sri Lanka Institute of Architects

120/7, Vidya Mawatha, Colombo 07.

8. Pumal Fernando. Assistant Secretary, Sri Lanka Institute of Architects

120/7, Vidya Mawatha, Colombo 07.

9. S. A. Lal Aberathne.

Assistant Treasurer, Sri Lanka Institute of Architects

120/7, Vidya Mawatha, Colombo 07.

10. Prasanna Silva.

Chairman - Board of Architectural Education Sri Lanka Institute of Architects

120/7, Vidya Mawatha, Colombo 07.

11. Migara Alwis.

Chairman - Professional Affairs Board Sri Lanka Institute of Architects

120/7, Vidya Mawatha, Colombo 07.

12. Sagara Jayasinghe.

Chairman - Board of Architectural Publications Sri Lanka Institute of Architects

120/7, Vidya Mawatha, Colombo 07.

13. Salinda Rathugama.

Chairman - Board of management Sri Lanka Institute of Architects

120/7, Vidya Mawatha, Colombo 07.

14. Surindu Basnayake.

Council Member, Sri Lanka Institute of Architects

120/7, Vidya Mawatha, Colombo 07.

15. U.S Perera.

Council Member, Sri Lanka Institute of Architects

120/7, Vidya Mawatha, Colombo 07.

16. Susil Lamahewa.

Council Member, Sri Lanka Institute of Architects

120/7, Vidya Mawatha, Colombo 07.

17. A. M. Nissanka Council Member Sri Lanka Institute of Architects

120/7, Vidya Mawatha, Colombo 07.

18. W. M. K. S. Bandara.

Council Member, Sri Lanka Institute of Architects

120/7, Vidya Mawatha, Colombo 07.

19. Vishaka Rathnayake.

Council Member, Sri Lanka Institute of Architects

120/7, Vidya Mawatha, Colombo 07.

20. Minda Isuru Gamanayake.

Council Member, Sri Lanka Institute of Architects

120/7, Vidya Mawatha, Colombo 07.

21. C. P. Samarasinghe.

Registered Member in Council, Sri Lanka Institute of Architects

120/7, Vidya Mawatha, Colombo 07.

22. Shashini Lankika Wijewardene.

196/3, Hill Street, Dehiwala.

RESPONDENTS BEFORE : M. SAMPATH K. B. WIJERATNE, J WICKUM A. KALUARACHCHI, J COUNSEL : Canishka Witharana with Sawani Rajakaruna and Medha N. Gamage for the Petitioner.

Dr. Asanga Gunawansa with Jithen De Silva, Christine Peiris and Nikita Gomez instructed by Dinusha Mirihana for the 1^st to 21^st Respondents.

Ashan Stanislaus for the 22^nd Respondent.

ARGUED ON : 06.06.2023 DECIDED ON : 13.07.2023 WICKUM A. KALUARACHCHI, J.

The petitioner in this writ application is a Chartered Architect by profession and also a cooperate member in the category of Associate of the Sri Lanka Institute of Architects (SLIA). The petitioner stated that the several arbitrary acts of the 1^st to 21^st respondents that resulted in violation of law have adversely affected and prejudiced the democratic and professional rights of the petitioner and the general public at large. Accordingly, as a person who has a sufficient public interest with regard to the issues pertaining to this application, the petitioner sought the following reliefs from this Court.

• Writ of certiorari quashing the decision of the 1^st to 21^st respondents to grant Cooperate Associate membership to the 22nd respondent of the Sri Lanka Institute of Architects, which decision is contained and disclosed in the documents marked as P-9B and P-11.

• Writ of mandamus