Unmatured fruits turning to yellow colour as if ready for harvest how to control this?

Hello Shesha Sai. Welcome to Plantix community. Your "Ber Plant is showing Spider Mites (Downward curling of leaves) and showing multiple nutritional deficiency symptoms. For more details and control measures, contact Plantrix library by clicking on blue hyper link given above. Note: 1. Your land is accupied with full of weeds. These weeds will absorb maximum quantity of nutrients available from the soil. The plant will not get sufficient nutrients and fruits will not grow in proper size. Due to weakness of the plant, fruits will become more susceptible to attach of pest and diseases. Hence make your plants weed free. Provide regular mild watering to get good quality Ber fruits. 2. Apply sufficient quantity of FYM to each plant once in 6 months to over come multiple nutritional deficiency. Thank you, visit again.