tender for procurement of different types of pacemakers for two years from the date of award of contract ( aoc ) , dual chamber dddr pacemaker, permanent pacemakers with all leads and accessories dddr all pacing modes and basic multi- programmable parameters including advanced hysteresis / rate drop response / closed loop stimulation / sudden brady response / neuro cardiogenic syncope management algorithm with preferably autosensing and auto-capture / output management facilities. monitor the integrity of lead and switch polarity in case of issue. must minimize ventricular pacing by optimizing av delay. must have automatic threshold monitoring and output adjustment in ventricle and atrium. the size of lead must be 7f or less. the lead must be steroid eluting and should be both bipolar and unipolar configuration. must have both active and passive fixation endocardial leads available. warranty not less than 7 ( seven ) yearson implantable pulse generator. should be remote monitoring capable. , pulse generator , lead , lead , pli , pli