Radhika was studying commerce in Bangalore when she was scouted to become a model in 2012.[11] She moved from Bangalore to Mumbai to pursue modelling as a full-time career.[11] In 2016 the casting director Henry Mackintosh Thomas came to Delhi, India.[6] It was in Delhi through stylist friend Nikhil D that Radhika met Henry and was cast exclusively for the Balenciaga SS17 show.[6][9]
She has appeared in campaigns for Chloé shot by Steven Meisel,[12] Versus Versace,[13] H&M X Erderm[14] & Net-a-Porter,[15] Vivienne Westwood, Maje. Radhika has been on the cover of magazines Vogue (British) and featured on magazines Vogue (Ukraine), Vogue (Germany), Vogue (Russia), W Magazine, Harpers Bazaar US, Harpers Bazaar UK, Harpers Bazaar (India), Dazed, Numéro China, CR Fashion Book, Unconditional Magazine & Elle (India).[16]
Radhika has walked for Burberry, Anna Sui, Balenciaga (Exclusive), Belstaff, Chloé, Chalayan, Erderm, Emilio Pucci, Etro, Esteban Cortazar (opened), Loewe, Lacoste, Miu Miu, Marc Jacobs, MSGM, Mulberry, Marco De Vincenzo, Paul Smith, Prabal Gurung, Pringle of Scotland, J.W Anderson, Jil Sander, Redemption Couture, Ronald van der Kemp Couture, Sportmax, Sies Marjan, Trussadi, Vetements, Valentin Yudashkin, Vionett & Zimmerman.[16]