Department of Mathematics;
Central University of Himachal Pradesh;
Dharamshala 273001;
India;
Department of Mathematics;
COMSATS University Islamabad;
Sahiwal 57000;
Pakistan;
Institute of Research and Development;
Duy Tan University;
Da Nang 550000;
Vietnam;
Institute of Theoretical and Applied Research(ITAR);
Duy Tan University;
Hanoi 100000;
Vietnam;
thermal-solutal stratification; Soret-Dufour effect; Casson-Carreau nanofluid model; porous matrix;