Are you guys dumb or acting as one, who said IAF don't have ODL ?, some desi presitiute said we don't have odl u all sallowed it? Air Marshal it self cleared we have operational data link, at least use your common senses, with put odl why the f..k we keeping AWACS and net centric warfare doctrines?, yes in Feb 27 mig21 com's get jamed becoz it is the oldest aircraft in Indian inventory it have analogue counterpart's not digital one's, what ever new odl development going on DRDO that's for future one not a alternative for current odl, Indian jets uses Israeli spectalink and Russian counterparts in new DRDO awcs it enabled withs SDR based data links too, also LCA mk1 also have srd link not exclusive for mk1a , any one have doughnuts ask hst in Twitter or just visit hal pavilion in def expo