Abstract: Collection of rice (Oryza sativa) followed by evaluation of morphometric character of the seed, in-house germination and cytological characterization were made to rice varieties of Parbartjhora sub-division, Kokrajhar district, Assam. A large array of variation among five studied varieties along with 2n=24 indicates its individual entity. Another remarkable feature is the growth of in-house germinated seedling Holijam has shown the highest rate and Malsyra the slowest in comparison to other variety.