Namaste sir ,The photo shared is not very clear. Could you please take a clearer picture close to the affected part of the plant? This will help us identify the exact problem accurately. You can also share a clear photo for better assistance. For any other queries, feel free to contact us through the BigHaat app. please give a missed call to our tollfree number 180030002434 our team will get back to you https://www.bighaat.com