Mealy Bugs can be controlled by using the following solutions
Spray Jeevamrutam regularly.
Take 10 gram Dried pods of Babul tree. ( Karinjaali / Jalee, Acacia Nilotica) (GUM Tree)
Make powder of the pods along with the seeds
Take 1 Liter of water in a vessel and mix the powder in the water thoroughly.
Keep it in shade for 2 hours.
Filter the solution using a cloth.
Mix the filtered solution with 200 liter of water and use it for 1 acre.
Spray Sour Curd with water regularly.