Kajal was born in Mumbai to Vinay Aggarwal, an entrepreneur, and Suman Aggarwal, a confectioner.[2] She has a younger sister, Nisha Agarwal, who is also an actress appearing in Telugu and Tamil films.[12] She studied at St. Anne's High School, Colaba, Mumbai and Jai Hind College, Mumbai.[4] She graduated from K.C. College, Mumbai with a degree in Mass Media specialising in advertising and marketing.[4] In her final year of college, she did internship with Loreal and has started her modelling career.[3] She was planning on pursuing MBA in Brand Management before deciding to pursue acting
