infobox: name_1:ସୋମଦତ୍ତା	name_2:ସିହ୍ନା	birth_date_1:୧୯୫୧	residence_1:ଭାରତ	nationality_1:ଭାରତୀୟ	field_1:Theoretical	field_2:Biology	work_institution_1:IISER	work_institution_2:Mohali	work_institution_3:,	work_institution_4:Center	work_institution_5:for	work_institution_6:Cellular	work_institution_7:and	work_institution_8:Molecular	work_institution_9:Biology	alma_mater_1:Visva	alma_mater_2:-	alma_mater_3:Bharati	alma_mater_4:University	alma_mater_5:,	alma_mater_6:Jawaharlal	alma_mater_7:Nehru	alma_mater_8:University
serialized_infobox: <TAG> name </TAG> ସୋମଦତ୍ତା ସିହ୍ନା <TAG> birth date </TAG> ୧୯୫୧ <TAG> residence </TAG> ଭାରତ <TAG> nationality </TAG> ଭାରତୀୟ <TAG> field </TAG> Theoretical Biology <TAG> work institution </TAG> IISER Mohali , Center for Cellular and Molecular Biology <TAG> alma mater </TAG> Visva - Bharati University , Jawaharlal Nehru University
summary: ସୋମଦତ୍ତା ସିହ୍ନା (ଜନ୍ମ 1951 ମସିହା) ଭାରତର ଭାରତୀୟ ଶିକ୍ଷା ଓ ଗବେଷଣା ଅନୁଷ୍ଠାନ, ମୋହାଲିରେ ଜୀବ ବିଜ୍ଞାନ (Biology) ପ୍ରଫେସର ଅଛନ୍ତି ।