Subsidy amount is fixed on basis of PMAY categories. 1. Economically Weaker Section(EWS) & Lower Income Group(LIG) 2. Middle Income Group – I 3. Middle Income Group - II. Subsidy amount is never adjusted keeping in mind tenure. The impact made to subsidy amount can be adjusted keeping in mind the principal amount only. Such a thing further impacts the EMI amount that you are to pay every month.