Hi there ...
Good that you are such a caring husband.
However, more details on history will need to be forthcoming.
Delhi is a hot place & 'Delhi belle' takes a whole new meaning where the skin is concerned.
Miliaria rubra (heat boils) or Hypersensitivity reaction (some sort of allergic contact dermatitis) are the most likely diagnosis'
For a quick resolution and more specific intervention and prescription, you are welcome to connect ONLINE using this App's INSTANT ONLINE Consultation 🙏
Next Steps
Frequent short showers 🚿 in the summer and an antihistamine eg Allegra 180 once daily should take care of the immediate issue
Health Tips
Avoid OTC products, home remedies, self medications and Dr Google's suggestions 🙏