Motilal Oswal Financial Services (MOFSL) announced that Crisil Ratings has upgraded its long-term rating to 'Crisil AA+/Stable' from 'Crisil AA/Positive' and reaffirmed the short-term rating at 'Crisil A1+'. With this, MOFSL holds a AA+ long-term rating from both Crisil and ICRA.