Here's some Indian movies which matches with your requirements :
Ajab Prem Ki Ghazab Kahani :- ml falls in love with fl who is already in love with a sml. Despite this, he agrees to help her marry him. It's filled with good romance and great comedy so i think you will definately like this.
Kal ho naa ho 2003 :- ML and FL fall in love, but a secret prevents ml from reciprocating his feelings and made a plan to set up Fl with her best friend (Sml). Tearjerker movie disguise as comedy.
Rockstar 2011 :- ml and fl meets in college and become close friend. Years later they meet once again and realize they are more than friends but fl is already married. Movie follow Journey of musician who go through Desire, Passion, Fame, Pain and Destruction.
Jab we meet 2007:- ml and fl meets in train journey. Both missed their train, fl blame ml for situation so ml decided to accompany fl to her hometown. Fl already has boyfriend (sml).Two stranger go on beautiful journey which will changed their life.
Barfi 2012 :- impaired hearing ml falls in love with normal fl. Because ml is deaf, fl family pressure her to leave him. 6 year later both meets again where fl is married and ml is in love with sfl who has autism. love can't be expressed only with sanity and language.
Dhadkan 2000:- Ml and Fl are in love with each other and plan to marry, but fl family gets her married to Sml. Because ml is poor. So after becoming rich he comes back in life of fl.
Naseeb 1997:- When Fl father disapproves of her relation with Ml, he vows to become wealthy and returns to find that she is already married.
Dhadkan and naseeb are both classic lats 90s Indian movies. They have same story but Naseeb is melodrama and Dhadkan is light hearted drama.
Kuch kuch hota hai :- Before dying, a woman leaves letters asking her daughter to play matchmaker for her father and his college friend .Basic plotline itself is very crazy if you think but overall it's good rom-com where fl has to choose between her first love and her fiance.
