Nirmal Baby Varghese is an Indian film director in Malayalam.^[1][2][3][4] He is known for his historical documentary film Thariode.^[5][6][7][8] His feature directorial debut Vazhiye, was an experimental movie made in found footage style and it is the first found footage movie in Malayalam.^[1][9][10] He is also script writer, film editor, and public relations officer.^[11][12] He is the younger brother of film producer Baby Chaithanya.^[13][14] He runs his own independent film production company called Casablanca Film Factory.^[15]

Nirmal was born to Baby P K and Lilly Baby on 13 January 1994 at Kavummannam, in Wayanad district, in Kerala.^[16][17][18]

In 2016, Nirmal directed two short films,Mirror of Reality and Mattam the Change, which were later released on Amazon Prime Video on 2020.^{[19][20][12][21]}

He began his career in Malayalam film industry in 2017 as the associate editor of the film Kalippu, starring Bala Singh, Kalasala Babu, Ambika Mohan and Shalil Kallur.^[22][23][24] Later he worked as a poster designer for the film Freakens, starring Biju Sopanam, Indrans and Kalabhavan Navas.^[25] He has also worked as a public relations officer for the films Moppala,^[26] Deira Diaries,^[27] Sarcas Circa 2020,^[28] and Vijay Yesudas's multilingual 3D film Salmon 3D.^[29]

He made his third directorial venture in Thariode, a historical documentary film about gold mining in Thariode.^[5][30] The film found critical acclaim in the festival circuit.^[2][31][32] He also announced a fictionalization of Thariode.^[33][34][35] He later announced the title of this cinematic remake as Thariode: The Lost City with a mainly foreign cast list including Bill Hutchens, Luing Andrews, Alexx O'Nell, Courtney Sanello, Amelie Leroy, Brendan Byrne and Roger Ward.^{[36][37][38][39] [40][41]}

His feature directorial debut film Vazhiye is the first found footage movie in the Malayalam language.^[42][43][44] The film marked the debut of Hollywood music director Evan Evans in Indian cinema.^{[45][46][47][48]}