Question: query about seed treatment of chillies.
Answer: seed treatment: trichoderma powder @ 6-10 gram/kg seed or saaf @ 2g/kg seed.
soil treatment: 600 gram/bigha. 
trichoderma: trichoderma is a genus of soil-dwelling fungi found all over the world that is highly effective at colonizing many kinds of plant roots, and inhibiting fungi that cause many types of diseases. it was one of the first types of bio fungicides commercially available. trichoderma can improve plant health even in the absence of pathogens. increase crop yields and increases plants ability to weather stresses such as drought.