The laboratory experiments were conducted in university lab entitled “Physical and chemical studies of some Short grain and Medium slender aromatic rice (Oryza sativa L.)” on the basis of the results obtained from the present study under the investigation of head rice recovery, grain length, grain breadth, length breadth ratio, alkali spreading value and amylose content are concluded as the head rice recovery ranged from 51.86-64.70 per cent. Data exhibited that maximum head rice recovery per cent was obtained 64.70% in R-3719 followed by R-3715, i.e., 63.79 per cent and minimum 51.86 per cent in Kalmunhi followed by R-3734 i.e., 54.51 per cent. The seed length varied from 4.96-7.26 mm. The maximum seed length was found 7.26 mm in R-3738, followed by R-3728 i.e., 7.24 and minimum for R-3715, i.e. 4.96 mm, followed by R-3730 i.e., 5.36mm. The seed breadth, varied from 1.63-1.95 mm. The maximum seed breadth was found 1.95 mm in R-3746,, followed by R-3724 i.e., 1.93 and minimum for R-3738, i.e. 1.63 mm, followed by R-3747 i.e., 1.65 mm. The length breadth ratio was ranged from 1.70-3.70 mm. Maximum L: B ratio was recorded with R-2804 i.e., 3.70 mm. followed by Kala Namak i.e., 3.68 mm and minimum length breadth ratio are found in R-3720 i.e., 1.70 mm. followed by R-3737 i.e., 1.79 mm. The Alkali spreading value was ranged from 360×500-600×466, respectively. The maximum alkali spreading value were obtained in R-3738 i.e., 600×466, respectively, followed by R-3722 and R-2802 i.e., 600×400, respectively while minimum alkali spreading value, were recorded in R-3747 that was 360×500 Followed by R-3746 that was 365×466 respectively. All the varieties of aromatic short grain and medium slender rice genotypes differed non significantly regarding alkali spreading value. The amylose content was ranged from 18.94-26.06 per cent respectively. The maximum amylose content were obtained in Kalmunhi 26.06 per cent, followed by Kala Namak, 25.33 per cent respectively, while minimum amylose content, were recorded in R-2812 that was 18.94 per cent, followed by R-2809 that was 18.98 per cent respectively. The result indicate the variation observed softness characteristics of All the varieties of aromatic short grain and medium slender rice genotypes differed in softness which was less, medium and more softness.

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