France on Wednesday said it is absolutely necessary for Pakistan to do whatever possible to bring the culprits of Mumbai attacks to justice. French<br/><br/>Ambassador to India Jerome Bonnafont told reporters in Chennai that whatever so-called justifications or methods, terrorism is simply unacceptable. He said, there has to be a deliberate, complete and significant effort to bring the culprits to justice. On the internal situation in Pakistan which is facing numerous terror strikes, he said Pakistani authorities should make all efforts to ensure stability and put the country on track for development. On climate change, Bonnafont called for developed nations to do the bulk of the effort on reduction of emissions.