Khusro Bagh to Prayagraj Junction is at approx. 100 meters distance.
I hired E. Rickshaw (sharing) from Prayagraj Junction for Amar Shaheed Chandrashekhar Azad Park for Rs. 20 only.
It is a 15-20 minute ride. The best is to alight at Gate No. 2 of Amar Shaheed Chandrashekhar Azad Park to enter.