I Can't Understand Why Some Politicians Want To Save Yakub Memon

Pakistan hanged numerous of convicted militants during the last 7 months, in wake of school massacre.  Taliban militants broke into a school on December 16, 2014, and opened fire, killing more than 140 students and staff members. Pakistani government realized the reality that militants must be given their ‘reward’ by executing them. There were no announcements or confirmations about who was going to be hanged prior to the hangings. America is also known fro its tough stance against militancy and crime.
I always welcomed capital punishments for convictions criminals because criminals are criminals -- people devoid of shame and mercy.   

But I have been struggling to understand Indian system of law, despite being an Indian myself. Alas! I could have understood why Indians, who have the power to influence judicial ruling, don’t want militants and other criminals to be hanged.

 Indian Judiciary did its job by awarding death sentence to Yakub Memon, but it is still uncertain whether Memon will really get ‘reward’ for what he did in 1993 in Mumbai because Maharastra Government has just sent a new mercy plea to the governor to save the life of a criminal who is responsible for the killings of dozens of people in Mumbai more than two decades ago.

CPI (M) has also demanded Yakub Memon’s mercy petition to be accepted.

Why Yakub Memon should be hanged/put to death?
7/23/2015
I Can't Understand Why Some Politicians Want To Save Yakub Memon
Pakistan hanged numerous of convicted militants during the last 7 months, in wake of school massacre.  Taliban militants broke into a school on December 16, 2014, and opened fire, killing more than 140 students and staff members. Pakistani government realized the reality that militants must be given their ‘reward’ by executing them. There were no announcements or confirmations about who was going to be hanged prior to the hangings. America is also known fro its tough stance against militancy and crime.
I always welcomed capital punishments for convictions criminals because criminals are criminals -- people devoid of shame and mercy.   

But I have been struggling to understand Indian system of law, despite being an Indian myself. Alas! I could have understood why Indians, who have the power to influence judicial ruling, don’t want militants and other criminals to be hanged.

 Indian Judiciary did its job by awarding death sentence to Yakub Memon, but it is still uncertain whether Memon will really get ‘reward’ for what he did in 1993 in Mumbai because Maharastra Government has just sent a new mercy plea to the governor to save the life of a criminal who is responsible for the killings of dozens of people in Mumbai more than two decades ago.

CPI (M) has also demanded Yakub Memon’s mercy petition to be accepted.

Why Yakub Memon should be hanged/put to death?