Gita: Moksha Vidhyaananda Sarasvti, 47, 3rd St., Bharathi Nagar, Maduravoyal, 7 a.m.; Akkarakani Srinidhi, Sri Sankara Vidyalaya MHSS., Velachery Main Rd., East Tambaram, 6.45 p.m.
Isavasyopanishad: Satyavratananda, Samaskrita Bharati Hall, Dr. Radhakrishnan Salai 8th St., Mylapore, 8.30 a.m.
Narayaneeyam: Navalpakkam Narasimhan, S.S. Mahal, 32nd St., Nanganallur, 6.50 p.m.
Vishnu Sahasranamam: M.A. Venkatakrishnan, Sri Vishnu Mohan Foundation, 7, New Giri Rd., T. Nagar, 6 p.m.
Tirupathi Mahathmiyam: Gomadam, Asthika Samajam, Venus Colony, Alwarpet, 6.30 p.m.
Thathavum Peranum: B. Sundarkumar, Perambur Ayyappa Baktha Jana Trust, Ayyappan Temple, Meenakshi St., Perambur, 7 p.m.
Aanmeega Santheega Vilakkangal: Nannilam V. Rajagopalan, Sri Arthanareeswarar Temple, Nanganallur, 7.30 p.m.
Prayers: S. Sivakumar, Sri Aurobindo Society, 5, Smith Rd., Anna Salai, 10 a.m.
Gallery Veda: Inauguration of art show SENSATION, 4/22, Rutland Gate 5th St., Nungambakkam, 11 a.m.
Vellore Institute of Technology - Chennai Campus and Hindu Tamzh Thisai: Programme on The Future Scientist, Vandalur - Kelambakkam Rd., 9 a.m.
Vellore Institute of Technology- Chennai Campus: Valedictory of 2nd VITSOL national moot court competition on surrogacy law, Administrative Block, VIT Chennai, 4.30 p.m.
Jesuit Migrants Service: Seminar on New Labour Code and Labour Protection for Migrant Workers, Loyola ICAM College of Engineering and Technology, 10 a.m.
Dr. Mohans Diabetes Specialities Centre: World Sight Day - medical camp for diabetes -related eye diseases, Conron Smith Rd., Gopalapuram, 7 a.m.
Humour Club International - Triplicane Chapter: Meeting, TAG-Mylapore Fine Arts Club, Oliver Rd., Mylapore, 4 p.m.
Pallavaram Nagaichuvai Manram: Meeting, Innayath Marriage Hall, Pallavaram, 4.25 p.m.
Anna Nagar Humour Club: Meeting, Krishnaswamy School, 13th Main Rd., Anna Nagar, 4 p.m.
Sevalaya: 31st Annual Day celebrations, Kasuva Village, Pakkam Post, 11 a.m.
Bharathi Kalaikazhagam: Mahatma Gandhi Vizha, Vyabarigal Sanga Thirumana Mandapam, V.O.C. St., Gandhi Nagar, Madipakkam, 9.30 a.m.
Ravina Hospital: Audiological screening camp, Erikkarai, Maduravoyal, 10 a.m.
Narcotics Anonymous: Meetings, Good Company Group, St. Teresa Church, Nungambakkam, 11 a.m.; Miracle of Marina Group, Chennai School, Venkatarangam Pillai St., T. Nagar; and Circle of Life Group, Annai Velankannai Church, Besant Nagar, 7 p.m.
Al-Anon: Meetings, Holy Angels Convent, T. Nagar, 11 a.m; Sunshine Group, Loyola MHSS., UI Colony, Kodambakkam, 4 p.m.; Wisdom AFG, Kesari HSS., Teynampet, 7 p.m. Broadway Group, St. Francis Xavier Church, Broadway, 6 p.m.; CSI Wesley Church, Opp Kallarai Stop, Poonamallee, 7 p.m.; Deiva Shakthi Kuzhu, Sri Sathya Sai HSS., Nadapai Garden St., Theradi 6 p.m.; and St. Anthonys Church, Puzhal, 5 p.m.
Alcoholics Anonymous: Meetings, Assemption School, St. Teresa Church, Nungambakkam, 10.00 a.m.; St. Mathias Church, Kamarajar Salai,, K.K. Nagar; C.S.I. School, Gandhi Main Rd., Oragadam, Ambattur; Govt. HSS., Police Boys Club, Maduravoyal; Sankara MHSS., Thiruvottiyur, Railway Hospital, Perambur, 11 a.m.; Dr. Boaz Memorial Hospital, Velachery Rd., Selaiyur; Infant Jesus Church, Manali New Nagar, Manali; C.S.I. Peters Church, Vyasarpadi, 11.30 a.m.; St. Francis Xavier Church, Broadway, 6 p.m. Kesari HSS., T. Nagar; Police Boys Club, Chinmaya Nagar; Singaram Pillai Boys HSS., Villivakkam; Arul Kadal, Santhome High Rd.; 7 pm.