Introduction Curcuma caesia Roxb. (family Zingiberaceae) is an underutilized perennial herb, endemic to the NorthEastern and Central India (Paliwal et al., 2011; Borah et al., 2019). The bluish-black tuberous rhizomes have strong aromatic characteristics and medicinal properties. (Liu et al., 2013). This plant has been used since ancient times for the treatment of many diseases (Liu et al., 2013; Borah et al., 2019). Rhizome possesses numerous biological properties which have been used for centuries as traditional medicine. (Paw et al., 2019). The herbal practitioner uses its rhizome for its antitumor, antioxidant (Liu et al., 2013; Paw et al., 2019), antimicrobial and thrombolytic (Fathima et al., 2015) properties. C. caesia is reported to possess antiasthmatic and wound healing properties (Hadem et al., 2014). It is effective against fever, dysentery, and stomachache (Hadem et al., 2014). The rhizomes are also used by various tribes of India as traditional medicine for curing hemorrhoids, epilepsy, menstrual disorder, cancer, antihelminthic, leprosy, and it also acts as an aphrodisiac (Sasikumar, 2005; Pandey et al., 2013). Treatment of asthma, piles, leukoderma, hemorrhoids, inflammation, and bronchitis using leaf or rhizome extract (Mangaly and Sabu 1990; Khare, 2007) has been well-documented. The leaves have found their utilization as plasters in various disorders like lymphangitis and adenitis, etc. (Donipati and Sreeramulu, 2015). In different parts of India, C. caesia is known by different vernacular names; Kali haldi (Hindi), Kola halodhi (Assamese), Shyrmitiong (Khasi), Nallapasupu (Telugu), Kariarishina (Kannada), Aihang (Mizo), Yaingangamuba (Manipuri), Kala haldi (Bengali) (Baghel et al., 2013), Yakanekeloti (Adi tribe of Arunachal Pradesh) (Behura and Srivastava, 2011), Homen (Khamti tribe of Arunachal Pradesh) (Sasikumar, 2005), and 'black turmeric' in English signifying its bluish-black rhizome. Due to its wide range of traditional and medicinal uses, the knowledge of the utilization methods of C. caesia is very essential. Being a traditional medicinal plant, a few mini-reviews on its biological activities have been written.