A NYT piece on the information and intelligence before the Mumbai attacks. A choice passage:
What happened next may rank among the most devastating near-misses in the history of spycraft. The intelligence agencies of the three nations did not pull together all the strands gathered by their high-tech surveillance and other tools, which might have allowed them to disrupt a terror strike so scarring that it is often called India’s 9/11.
Link:http://www.nytimes.com/2014/12/22/wo...=67232673&_r=1

Many insights are within the article and rightly an Indian politician ends with:
The key is the analysis, we didn’t have it.