In 1933, during the rule of Digvijaysinhji Ranjitsinhji, the Irwin Hospital was expanded, with the addition of specialty departments.
In 1954, M. P. Shah Medical College came into existence and Irwin hospital was affiliated with it.
In 2000, on the eve of the 300th birthday anniversary of Lord Guru Gobind Singh, Government of Gujarat renamed the Irwin Group of Hospitals as Guru Gobind Singh Hospital.
Dr. Dadabhai and Dr. Kalyaniwala Khandbahadur were the first heads of Irwin Group of Hospitals.
Today, it is one of the leading tertiary care and referral medical centers for the region of Saurashtra with a bed strength of 1275 (2005).