purchase of sports accessories for department of physical education of this institution-air bike indoor cycle ( usi / xebex / spirit usa etc. ) or equated national or international brands. detailed specification attached as annexure a 2 olympic black rubberised bumper plates 5 kg usi / challenge / challenger etc. ) or equated national or international brands. detailed specification attached as annexure b 3 olympic black rubberised bumper plates 10 kg usi / challenge / challenger etc. ) or equated national or international brands. detailed specification attached as annexure b 4 olympic black rubberised bumper plates 15 kg usi / challenge / challenger etc. ) or equated national or international brands. detailed specification attached as annexure b 5 olympic black rubberised bumper plates 20 kg usi / challenge / challenger etc. ) or equated national or international brands. detailed specification attached as annexure b 6 weight lifting platform set ( usi / challenge / challenger etc. ) or equivalent with national or international brands. detailed specification attached as annexure c 7 manual softball pitching machine ( louisville slugger / juggs etc. ) or equivalent with national or international brands. detailed specification attached as annexure d 8 easy lock for olympic barbell ( usi / challenge / challenger etc. ) or equivalent with national or international brands. detailed specification: engineered plastic construction, lock mechanism, easy & fast installation