Thannal  is a natural building awareness group based in a village in Tiruvannamalai, South India. We strive and enjoy that effort to create natural building awareness like building our own homes and experimenting with low embodied energy materials and low tech appropriate technologies. We seek to bring back the indigenous wisdom of ancient practices in modern approach. Presently we are concentrating in four sections

Natural shelter should be as simple as planting a seed- Biju Bhaskar