Scope of Mushroom Business in Dadra and Nagar Haveli and Daman & Diu | Mushroom cultivation | Biobritte mushrooms Scope of Mushroom Business in Dadra and Nagar Haveli and Daman & Diu. Mushrooms love moisture and heat but not light, which is the main challenge to maintain in the region.  Some cultivators constructed a small mushroom trial cellar using leftover materials already available at homes such as local bricks and willow branches.  Mushroom cellar just behind a greenhouse to maintain the required moisture and temperature. Mushroom growers have a wonderful future because there is a high demand for mushrooms while the production is quite low here.  Even the demands of mushrooms are quite high.  A crop requires 45 days and at least 1.5 tonnes could be harvested per crop.  On average, 10 tonnes per unit is possible per annum.  Besides, one set up a spawn and compost unit at Rs. 25 lakh so that you could supply spawn and compost ready to produce mushrooms within a radius of 50