Nannilam is an evolving Eco Village Community project in Kalrayan Hills. The project consists of participatory community agriculture units in 100 acres along with a research station in 25 acres, which will startup centre and collaborative engagement to promote agriculture, horticulture, farm and dairy products. The project will also be a sustainable development centre which will showcase and promote sustainable architecture and construction methods, sustainable lifestyle products and alternative energy. The investors, partners and visitors can experience farm visits, petting zoo, dairy training, pickle & jam making, walking & trekking trails, fishing, star gazing, camping, fire-pit story-telling, yoga, meditation etc. Facilities will include an eco-shop, eco-lodges, e-cottages, eco-villas, natural pool, community kitchen etc.

The project is being implemented in a community driven approach by involving children, youth and citizens of the region through workshops and training programs in permaculture, organic farming, paddy cultivation, mud construction, lime mortar, thatch roofing, bamboo treatment, lantana furniture etc.

The project won Tamil Nadu Agritourism Award 2025 for the Best Community Driven Agri Tourism Project.