The company was promoted by Dr P Maruthai Pillai, a first generation industrialist. Dr Pillai, after studying upto Sr. Cambridge in Srilanka, came to India and set up his own business. The company was incorporated on 9.9.1960 under the name and style of Aruna Sugars Limited as a Public Limited Company and obtained the certificate of Commencement of Business on 24.12.1960. In 1986 the name of the Company was changed as Aruna Sugars & Enterprises Limited to reflect the diversified nature of Business. The company first set up a sugar plant with a crushing capacity of 1,250 tcd at Pennadam, South Arcot District, Tamil Nadu. Over the years, through a series of modernisation and expansion programmes, the capacity has been expanded to its present level of 5000 tcd. In 1986, the Company diversified its activities by taking over through auction by T I I C Ltd the assets, then owned by SAS Chemicals (Madras) Pvt Ltd, a sick unit at Ranipet, North Arcot District, Tamil Nadu, which has facilities for the manufacture of 30 tpd ferric alum. The alum plant has been revamped and is now working satisfactorily. In 1987 the Company further diversified its activities by taking over the assets of Geetha Flour Mills Ltd at Tiruvalla, Kerala, with a milling capacity of 100 tpd of wheat. This is now a division of the Company. During the same period, the Company also entered the field of exports. At present, these activities comprise merchant exports of ready-made knitted and woven garments, silk and silk fabrics, shoe-uppers, etc. The Company has put up a Business class Hotel and is also putting up a Distillery Project which is expected to be commissioned by October 1993 as part of the further diversification plans. The Sugar Division would contribute about 75% of the Company's sales and other divisions contribute about 25%. 2000 -Aruna Sugars & Enterprises Ltd. has changed its name to Aruna Sunrise Hotels Ltd. 2021 The company issued rights shares of Rs. 10 in the ratio of 83:30 at par.