Nasir Hussain
For example , he directed "Yaadon Ki Baraat" ( 1973 ) , which created the Bollywood masala film genre that defined Hindi cinema in the 1970s and 1980s , and he wrote and produced "Qayamat Se Qayamat Tak" ( 1988 ) , which set the Bollywood musical romance template that defined Hindi cinema in the 1990s . 
<triplet> Yaadon Ki Baraat <subj> masala film <obj> genre <triplet> Qayamat Se Qayamat Tak <subj> romance <obj> genre