I do LASER assisted Adenotonsillar Ablation. I do not do the Grommet Insertion as it has its own sequelae. Usually, once the Adenoids are vaporised, the eustachian tube block is relieved and nasal decongestants followed by intranasal corticosteroid sprays administered transnasally drain out the middle ear pus normalising the middle ear mucosa within 2 weeks of the surgery.
Next Steps
As you are also in Bangalore, bring him down to my clinic Healthcare@Basaveshwaranagar so I could review him and advise you accordingly.