Two Government Railway Police constables Karanpal Singh and Naranjan Singh were also seriously injured in the shoot out.
Holding Balbir Singh Bhootna guilty, Additional Sessions Judge Sarabjit Singh Dhaliwal ordered him to undergo rigorous life imprisonment and also imposed a fine of Rs 20,000 on him.
The court, however, acquitted his female aide Sukhjinder Kaur for want of convincing evidence against her in this case.