Defence Minister Rajnath Singh on Saturday said India has never attacked any country out of hatred or contempt but if its interests are threatened, 'we will not hesitate to take a big step'.
As part of the mega plan, around 20 bridges, a number of tunnels, airbases and several key roads are being developed in strategically key areas in Arunachal Pradesh to bolster the overall military preparedness, officials said on Monday.
