The objective of the present research is to explore the concept of sustainability in construction by examining indigenous construction practices followed in various regions of India, in line with the Sustainable Development Goals (SDGs) that promote safe, resilient, and environmentally friendly human settlements. This study aims to investigate indigenous construction practices that have been used for generations and assess their applicability in the present context. Through the collection of qualitative data from participants, the study seeks to develop a theoretical model of sustainable construction that incorporates region-specific indigenous practices. As Constructivist Grounded Theory (CGT) lends itself useful for such theory development, we have used it as the methodology for data collection, analysis and model development. CGT enables in-depth inductive analysis of qualitative data. Data have been gathered through interviews and conversations as primary sources, supplemented by secondary sources. The study primarily focuses on key parameters such as construction materials and techniques, labour, economic considerations, and region-specific indigenous practices related to sustainable construction. This study develops a theoretical model that integrates indigenous practices with contemporary practices, and thus endeavours to bridge the past and present, offering a blend of traditional wisdom and contemporary relevance. It aims to inspire customers, architects, and engineers to reconnect with their cultural heritage and embrace local knowledge in construction practices, which have demonstrated sustainability over thousands of years. Findings from the study pave the way for better environmental management through sustainable indigenous construction practices.