ISRO’s NISAR enters crucial 90-day phase for calibration and orbital tuning before global Earth observation begins.

ISRO chief Narayanan praises NISAR launch as one of the most precise globally, with NASA hailing India’s GSLV performance.

BENGALURU: On a cold, wind-brushed outpost at 14,000 feet in Ladakh, two hand-picked analogue crew will begin living in ...