Nupur Sanon has followed her more illustrious elder sister Kriti Sanon into the world of glamour with her debut appearance in B Praak's new music video "Filhall", where she features along with Bollywood superstar Akshay Kumar. Nupur says Kriti is very protective about her, and acts like a mother to her, and added that apart from complimenting her for her efforts, Kriti is also quite honest about pointing out her flaws.