2. Pay for installation @3,999/- for new installation (a bit pricey but well....)
or
3. Pay for a technician to come and upgrade your existing one @2,500 (very expensive for simply unscrewing the cable from the old one and screwing it into the new one, unless I am missing something!).
From the site:
Can I get the PVR decoder from your offices and install it myself at my premises?
No, once you make above charges, we will organize for a technician to visit your premises and have the installation done by our technician.