[6] His daughter Ama is also an award winning actress in Sinhala cinema best known for the roles in the films Loku Duwa, Duwata Mawaka Misa and Irasma.
While studying at the Government College of Music, Lakshman had the opportunity to associate with renowned musicians as well as join their programs and sing ensembles.
[14] In the preceding years, he sang many popular hits and duets such as: "Bala Lamawarune", "Delwoo Pahan", "Sina Pipena", "Supem Hengum", "Sanda Kinith Nemi".
Apart from that, he directed music for the television serials such as: Bumuthuruna, Himi Ahimi, Mawakage Geetha, Manamali, Vilambeetha, Dangayanta Pamanai and Tikiri Saha Ungi.
[20] In the meantime, he engaged with many theatre plays as the music director, including: Sapathēru Hāminē, Jayalath Manorathne's Puthra Samāgama, Neil Alles' Sihina Saāppuva, Bandula Vithanage's' Senehebara Dolly.
[21] On 17 March 2018, he performed the concert titled 'Sanda Kinithi Nemi' at 7.00 pm at the Nelum Pokuna Theater to celebrate his four decades of artistic career.
After the formation of the Free Arts Alliance against the then tyrannical rule in 1994, he joined the public awareness campaigns throughout the island.
On the afternoon of 29 December, they were attacked by a group of North Western Provincial Councilor Kamal Indika and members of the Blue Brigade wearing T-shirts while performing a musical show titled Mulawen Midemu at Kumbukgate Junction in Kurunegala.
The group included Lakshman, Samanalee Fonseka, Kasun Kalhara, Indrachapa Liyanage, Ama Wijesekera, and Mohan Raj Madawala.