Observations indicates that terrorist using same kind of bomb. Ammonium nitrate ball bearings. targeting innocent peoples. i couldnt underastant why they are targeting innocent peoples ??. if they have guts ,just target big fish. but our system is also responsible for it. congress govt. lacking to take hard decision on terrerisom. Mr Shivraj Patil is happy with the statistics how terrerisom come down his tenure. i have opnion that we must protect ourselves from such kind of stupid act. blaming to Govt or terreism we must be cautious when traveling in public places.