Sarf Trading — scaptre full hd smart android led tv (43" full hd)

I have purchased one scaptre full hd smart android led tv (43"full hd) on line through amazon vide order no[protected], invoice no sdeb-66, hr-sdfb[protected] dated[protected]. The tv s=supplied on 4.10.18 and installation done on 11.10.18. The issues are-
1- the tv is not giving any sign of smart tv, also declared by the installation person.
2. The home screen shows the sign"not available"
3. The wall mounting bracket are not matching with tv slots.
4. The supplied item to be replaced or returned back.