i think bhabho is taking emily problem an opportunity to kick sandhya out of the house. bhabho always have the fear that sandhya cant fullfill her duties as wife when she becomes an IPS officer . so bhabho will convince maasa to tell sandhya to give up her married life and leave suraj . if she does then they accept emily , mohit marriage. no matter if sandhya accepts this or not bhabho wins.
if sandhya denies then no emily mohit marriage, no shame in the society of intercaste marriage.
if sandhya agrees then bhabho gets rid of sandhya and can remarry suraj to another illiterate girl. then dominate all the bhahus like slaves.