airtel is better then dishtv as dishtv also have issues with many broadcasters..... mater of fact all dths would/will be having issues with broadcaster i would suggest u go for cable tv which is available in ur area till trai orders are implemented
If you want perfect picture clarity in HD go for Sundirect. With if you are having home theater regret sundirect HD as it is having audio issue. But if you are a Bengali,odia,marathi,sports,English movie channels lover you have cheap packages
Dishtv can be brought online via paytm, flipkart, amazon, or directly via dishtv.in
No diff whatsoever installation would be done by dish tv local team in all the case. So buy from wherever it suits you best. my personel favourite is amazon.
OTOH i would as ask you reconsider your decision as dish tv is worst one matter of hidden terms n all woes you can read on dishtv forum on dreamdth.
DishTV online purchase from their site Dishtv.in gives life time warranty for their Set top box but if purchased from other web site, warranty is 1 year only,so after one year you will waste Rs410 for Box replacement every time when ever box is repair.Think over it??