Communist Party of India: Golden jubilee celebration of the first communist government, CPI general secretary A.B. Bardan inaugurates, University senate hall, 4 p.m.

Department of Local-Self Government: Workshop of corporation mayors, deputy mayors and standing committee chairmen, Minister for Local-Self Government Paloli Mohammed Kutty inaugurates, TRIDA hall, Medical College, 12 noon.

Southern Air Command: Platinum jubilee celebrations; Air show, performance by Sarang helicopter team, Surya Kiran aerobatic team and Akash Ganga sky diving team, Shanghumughom beach, 9.30 a.m.; Air warriors symphony orchestra, Tagore theatre, Vazhuthacaud, 5.30 p.m.

Kerala Police: 50th anniversary celebration, inaugural ceremony of film festival by director Govind Nihlani, Remya theatre, 9.15 a.m.

The Institution of Engineers: Technical talk on illumination, Vellayambalam, 5.45 p.m.

University of Kerala, Department of Malayalam: Inauguration of `Sargasahithi,' by noted poet O.N.V. Kurup, seminar hall, 10 a.m.

CMA Mental Arithmetic India Private Limited: Member of Parliament Pannian Raveendran inaugurates new branch, RNP lane, Vellayambalam, 8 a.m.

TBS Publishers: Release of film artiste Balachandra Menon's screen play `April 18' and `April 19,' as books by Minister for Education and Culture M.A. Baby, Co-operative Bank auditorium, 6 p.m.

Kerala Bhasha Institute: Workshop on translation, Vyloppilly Samskrithi Bhavan, 10 a.m.

State Literacy Mission: M.A. Baby inaugurates literacy day celebration, Martyrs square, Palayam, 10 a.m.

Kerala Medical and Sales Representatives Association: Talk by Dr. B. Ikbal on Indian patent law after 2005 amendment, V.J.T. hall, 9.30 a.m.

Parent Teacher Association Trivandrum Medical College: Meeting to honour retiring faculty members and award distribution, Old auditorium, 2 p.m.

Kerala Film Critics Association: Film festival, Karuthapakshikal, 11 a.m.; Classmates, 3 p.m.; Rasathanthram, 6 p.m., Kalabhavan.

Alliance Francaise: Exhibition of photographs titled `The Hand' by Thibaut Chapotot, 9 a.m.

Thulaseevana Sangeetha Parishat: Theerthapada Sangeethotsavam, Theerthapada mandapam, East Fort, 6.30 p.m.