K. Velayudam (English Wikipedia)

"General Election 2001 Preferences" (PDF). Department of Elections, Sri Lanka. Archived from the original (PDF) on 4 March 2010.
"General Election 2004 Preferences" (PDF). Department of Elections, Sri Lanka. Archived from the original (PDF) on 4 March 2010.
"Results of Provincial Council Elections 2004" (PDF). Department of Elections, Sri Lanka. Archived from the original (PDF) on 7 January 2009.
"Preferences Badulla" (PDF). Department of Elections, Sri Lanka. Archived from the original (PDF) on 10 December 2009.
"Parliamentary General Election – 2010 Badulla Preferences" (PDF). Department of Elections, Sri Lanka. Archived from the original (PDF) on 13 May 2010.

sundaytimes.lk

"Thonda slams Ratnasiri as estate crisis widens". The Sunday Times (Sri Lanka). 28 April 1996.
"Provincial Elections". The Sunday Times (Sri Lanka). 11 April 1999.

up.gov.lk

pcsec.up.gov.lk

"Previous Provincial Council". Uva Provincial Council.

web.archive.org

"Union Leadership". Lanka Jathika Estate Workers Union. Archived from the original on 13 December 2014. Retrieved 13 December 2014.
"General Election 2001 Preferences" (PDF). Department of Elections, Sri Lanka. Archived from the original (PDF) on 4 March 2010.
"General Election 2004 Preferences" (PDF). Department of Elections, Sri Lanka. Archived from the original (PDF) on 4 March 2010.
"Results of Provincial Council Elections 2004" (PDF). Department of Elections, Sri Lanka. Archived from the original (PDF) on 7 January 2009.
"Preferences Badulla" (PDF). Department of Elections, Sri Lanka. Archived from the original (PDF) on 10 December 2009.
"Parliamentary General Election – 2010 Badulla Preferences" (PDF). Department of Elections, Sri Lanka. Archived from the original (PDF) on 13 May 2010.
"Velayudhan sworn in to replace Harin". The Nation (Sri Lanka). 8 August 2014. Archived from the original on 15 August 2014.
"Velayudhan replaces Harin at parliament". Ceylon Today. 8 August 2014. Archived from the original on 13 December 2014.
"New Cabinet takes oaths". The Nation (Sri Lanka). 12 January 2015. Archived from the original on 18 January 2015.
"PART I : SECTION (I) — GENERAL Government Notifications PARLIAMENTARY ELECTIONS ACT, No. 1 OF 1981 List of Persons submitted under Article 99A of the Constitution" (PDF). The Gazette of the Democratic Socialist Republic of Sri Lanka Extraordinary. 1923/02. 13 July 2015. Archived from the original (PDF) on 23 September 2015.
"PART I : SECTION (I) — GENERAL Government Notifications PARLIAMENTARY ELECTION — 2015 Declaration under Article 99A of the Constitution" (PDF). The Gazette of the Democratic Socialist Republic of Sri Lanka Extraordinary. 1928/25. 21 August 2015. Archived from the original (PDF) on 23 September 2015.