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News & Events
National Productivity Awards 2025/26
National Productivity Awards 2025/26Colombo District - Divisional...
"Athtama Jathika" Program, Phase Two - On 19.09.2026
The National Citizenship Mission for a Clean...
The Ratmalana Divisional Coordination Committee meeting was held on Wednesday, 2026.09.02
The Ratmalana Divisional Coordination Committee meeting was...
The Children's Club Children's Cricket Tournament
The Children's Club Children's Cricket Tournament organized...
A program to promote food culture was held at the Ratmalana Divisional Secretariat on 21.08.2026
A program to promote food culture was...
Inspection tour on unauthorized construction and drainage systems in Kadawala Division
Inspection tour on unauthorized construction and drainage...
Career Development Program for Household Confectionery and Snack Producers under the Informal Sector Career Development Program 2026
Program: Career Development Program for Household Confectionery...
Awareness program on the selection of subject categories for grade 9 students.
Program: Awareness program on the selection of...
Family-based holistic personality development program for children
Program - Family-based holistic personality development program...
Under the National Campaign for the Eradication of Poverty, a training program to sensitize community representatives of the Community Development Council to empower community development councils was held on 04.08.2026
Under the National Campaign for the Eradication...
On 2026/07/27, the General Assembly Meeting and Election of the Ratmalana Regional Cultural Authority
On 2026/07/27, the General Assembly Meeting and...
The Clean Sri Lanka Pledge was held at the Ratmalana Divisional Secretariat on 27.07.2026
The Clean Sri Lanka Pledge was held...
Electronic Payments to Government Institutions
The inauguration ceremony of electronic payments to...
2026.07.01 Meeting to organize the Senehasa program for vulnerable children
2026.07.01 Meeting to organize the Senehasa program...
Ratmalana Divisional Coordination Committee Meeting 2026.06.30
The Ratmalana Divisional Coordination Committee Meeting was...
Regional Productivity Index - 1.0 Citizen Mirror - 2025 Certificate Presentation Ceremony 2026.06.16
The “People-Centric Administration” Regional Productivity Index -...
Happy Country Clean Sri Lanka Special Public Service Programme
Happy Country Clean Sri Lanka Special Public...
Praja Shakthi’ National Campaign to Eradicate Poverty “Praja Shakthi, a Thousand Jobs in a Thousand Villages” Programme
Praja Shakthi’ National Campaign to Eradicate Poverty“Praja...
The Japanese Foreign Employment Promotion Program organized by the Ratmalana Divisional Secretariat
The Japanese Foreign Employment Promotion Program organized...
Call for Project Proposals: Creating innovative business opportunities to empower the community through sustainable livelihoods
Ministry of Rural Development, Social Security and...
Implementation of the Drug Prevention Week in line with the “ Ratama Ekata National Initiative”
Taking into account the destructive impact of...
The Ratmalana Divisional Coordination Committee meeting was held on Wednesday, 25.02.2026
The Ratmalana Divisional Coordination Committee meeting was...
A training program on the art of resins was held on 20.02.2026 at the Ratmalana Divisional Secretariat Auditorium
A training program on the art of...
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Covid Information
කොවිඩ් 19 - තොරතුරු රත්මලාන ප්රාදේශීය ලේකම් කොට්ඨාසය
Overview
Our Vision
To be the Divisional Center of Philanthropic Public Service by Overcoming the Challenges of the eraOur Mission
To uplift lives of the populace qualitatively through an efficient public service, implementing appropiate projects for physical and social development and delivering statutory service using modern technology with philanthropic attitudes.Ratmalana Divisional Secretary’s Division is a region of Colombo District in Western Province consisting of 13 Grama Sevaka Officers Divisions to an extent of 13.17 Km2. Dehiwela-Mount Lavinia Municipality and Ratmalana Electorate come under this Division. As a result of activities of metamorphosis and sediment soil of this area being made of honeblant nice, honeblant biotes nice and biotis rocks.
This region is an industrial township with a No. of population 95162 and is also has been identified as a tourist paradise. On religious wise there are somany viharayas with historical values including Parana Damma Chaitiya Pirivena, Sri Dharmarama Purana Viharaya, Mallikaramaya and Thabodhanaramaya situated here. Environment Information Centre related to Athidiya sanctuary is situated at Ratmalana Divisional Secretariiat Division to raise its value up.
Very pleasant Mount Lavinia Beach, environment with beautiful scenaries and a lot of tourist hotels and lodges are seen here. So, it is identified as a tourist region. There are somany industrial establishments and factories function in Ratmalana Divisional Secretary’s Division to make various productions. As such, at present Ratmalana is considered being good city that provide so many job opportunities.
When we go through the government and semi government institutions, Ratmalana Airport, Kotalawala Defence Academy, Ratmalana Technical College, Technical Training University, Deaf anf Blond School and State Pharmaceutical Corporation of Sri Lanka will be seen here.
And there are two police stations functioning within the Ratmalana Divisional Secretary’s Division. 11 GSO Divisions come under Mount Lavinia Police area and 02 under Dehiwela Police. Like that, all the GSOO function under Agrarian Centre, Udagahamulla.
As such, when considering historically, politically and industrially, Ratmalana District Secretary’s Division is identified as an important region.
Role performed at DS
| Name | From | To |
| G.Kulathunga | 1992 | 1994 |
| B.D.Dasanayaka | 1990 | 1994 |
| K.A.Thilakarathna | 1996 | 1996 |
| Vass Siril Gunawardhana | 1997 | 2000 |
| W.Wijesinghe | 2001 | 2005 |
| W.Kodithuwakku | 2005 | 2008 |
| Pradeep Yasarathna | 2008 | 2011 |
| Swarna Wemalaweera | 2011 | 2011 |
| Pradeep Rathnayake | 2011 | 2013 |
| D.A.Hemasiri Piyathilake | 2013 | 2020 |
| Himali Karunarathna | 2020.01.02 | 2025.03.16 |
| D.M.M.K.Dilrukshi Walpola | 2025.03.17 | - |
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Reach Us
Colombo Divisional Secretariat
Colmbo,
Sri Lanka.
+94 332 222 235
info[at]colombo.ds.gov.lk