in genarally , a digital satellire reciver is needed to view digital KU signals , so any type of FTA digital satellite reciver is enoughf to view DD plus , at present DD plus is in DVB -S , MPEG 2 , so there are many recivers avialable in the market price start from 900-2000 rs ,
for future use , these mpeg2 recivers are outdated , so now only DVB-S2 recivers are good , even these are also start from 2500 rs
yes you can use dish tv anteena