thats call political mileage. I don't know much on Bangalore but may be there are lot of literate people who understand not to extract political gains from horrific incidents. In Gujarat situation is different.
Curse to those who plants bombs and many curses to those who kill innocent people in name of religion, that includes and begins with politicians.
MAY GOD HAVE MERCY ON THEIR AND OUR SOULS AND MAY THE DEAD REST IN PEACE. OLD SAYING" WE WNAT PEACE IN INDIA NOT PIECE OF INDIA", may be someone has to give classes to politicians on human behaviour and explain them that every action has a equal and opposite reaction". We have to have stringent laws on terrorism and genocides.