HI Vijayalakshmi, I had cross checked in we-retail,
/conf/we-retail/settings/wcm/templates/content-page/structure/jcr:content/cq:responsive
, The same is there in my template structure ie.
/conf//settings/wcm/templates/home-page/structure/jcr:content/cq:responsive/breakpoints/tablet.
The difference that I noticed is , I have grid.less in
/apps//clientlibs/clientlib-grid and I had added it in
page policy of template whereas in we-retail, they have grid.less in
clientlib-site. So, like as of now, ...