Building Thermal Performance and Sustainability issues -- Appropriate Heat Stress Index to assess Heat Stress in Built Environment in India -- Assessment of Heat stress index of rural houses in heatwave prone hot-humid climate of Andhra Pradesh, India -- Methods of Assessing Thermal Performance of Buildings -- Steady State Assessment of Vertical Greenery Systems on The Thermal Resistance of The Wall and Its Correlation with Thermal Insulation -- Thermal Performance of Bamboo Flat Roof Slab and RCC Flat Roof Filler Slab in Warm Humid Climate -- Empirical and Dynamic Simulation-Based Assessment of Indoor Thermal Performance in Naturally Ventilated Buildings -- Study Of Indoor Thermal Performance Due to Varying Ceiling Heights in A Hot-Humid Climate -- Optimization of the Integrated Daylighting and Natural Ventilation in a Commercial Building -- A Methodology to Optimize Thermal Conditions of Built Forms for Humans and Birds in a Birds Sanctuary -- Applications Of Smart BuildingMaterials in Sustainable Architecture -- An Analytical Assessment and Retrofit Using Nano Materials of Rural Houses in Heat Wave Prone Region in India.