Nusrat Jahan, Trinamool Congress MP, under ED investigation for alleged flat-selling scam.
ED probes her role in a company accused of defrauding senior citizens.
BJP claims Nusrat Jahan took ₹5.5 lakh from people for apartments.
Nusrat Jahan faces questions about her association with 7 Sense Infrastructure.
BJP warns of consequences if solid evidence emerges.
Case highlights accountability, regardless of status.
Investigation ongoing; potential charges await in the flat-selling scam.