bhai economical solution is armorall detailer spray may be rs500 at hyper star or u can go for mothers reflections top coat its like a wax sealer price roughly rs1500 to 1600, very good product , enhance wax coat life as well as provide very silky touch to car skin so dust cant sustain on surface , since u use mother glaze and mother wax so chemically having better compatibility and bonding properties 