Hemmed in by neighbours with whom ties remain uneasy, India is increasingly turning vigilant, building fast on its monitoring capacity. Today Indian space agency ISRO launched another satellite - the eye-in-the-sky kind that sent images that came handy when surgical strikes were conducted across the Line of Control last September. Cartosat 2 will orbit the earth from 500 km above, and will be capable of counting the number of army tanks parked in hostile territories, scientists say.