Over the last decade, Sagara has been able to disseminate the acquaintance to the community of architecture through several published books, conference papers, public lectures and journal articles on art and architecture in both local and overseas contexts. In 2014, as a beneficiary of the scholarship programme of Fundação Oriente, Portugal he was engaged in a much deeper study on religio-cultural affairs of Sri Lanka during the overseas expansions of 16th and 17th centuries.

In accolade of Sagara’s authorship in his publications of the significant works on the art and architecture of Sri Lanka’s ecclesiastical heritage, he won the Sri Lanka Institute of Architect’s annual award for Architectural Publications twice in 2008 & 2013 together with the Architectural Research Gold Award in 2017.