Solution:
Bhagat Singh became involved in numerous revolutionary organisations and quickly became one of the main leaders of the Hindustan Republican Association (HRA) and changed its name to the Hindustan Socialist Republican Association (HSRA) in 1928.

Solution:
There are two zonal headquarters of North zone which are situated in Punjab i.e. Ambala railway division and Firozpur railway division.

Solution:
Guru Amar Das ji, the 3rd guru of Sikhs, raised the status of women and gave them equality with men. He strictly prohibited the practice of Sati system and Pardah System.

Solution:
Shaheed Bhagat Singh Nagar has the highest population of Scheduled Castes in Punjab with 42.51% people being Scheduled castes.

Solution:
Lohri is celebrated on 13 January every year, which falls in the month of Poush or Magh according to the Hindu calendar.

Solution:
Ludhiana Airport is near the town of Sahnewal, 12 km South-East of Ludhiana on the Grand Trunk Road. It provides the platform for both civil and defense flights. It is popularly called the Sahnewal Airport and is easily accessible from the city. It is serviced by almost all the major domestic airlines in India.

Solution:
There are three commercial seed farm functioning at Nabha, Phagan Majra and Patrikham farms in Patiala district.