In second quarter review of monetary policy (see this, this, and this as well), RBI took some measures to discourage teaser loans by Indian banks. This blog has always expressed displeasure over banks offering teaser home loans (see this and this as well).
There was both displeasure and confusion regarding teaser loans. People did not know whether the norms will apply to new or earlier loans. Then some bankers said they did not know the meaning of teaser rates. Then others said why only banks and not other nbfcs and housing finance companies?
RBI officials clear the confusion in its teleconference with researchers/analysts. From the transcript (the conversation is not crystal clear though):