Hi Krishna, if the creatures are mites this spray combination may work
Magister 2 mL/L + Ahaar 2 mL/L of water
https://www.bighaat.com/products/magister-insecticide + https://www.bighaat.com/products/ahaar-plant-nutrient
K SANJEEVA REDDY,
Senior Agronomist, BigHaat.
Disclaimer: The performance of the product (s) is subject to usage as per manufacturer guidelines. Read enclosed leaflet of the product(s) carefully before use. The use of this product(s)/ information is at the discretion of user.