"Madhavsinh Solanki was brought to the hospital in the morning after he complained of breathing complications," Resident Medical Officer Kaushik Brahmbhatt said.
He is also a diabetes patient.
Stating that Solanki's condition was stable, the hospital authorities said he underwent coronary angiography after admission.
Madhavsinh Solanki, born in Jambusar in Bharuch district on July 29, 1927, holds the record of winning the highest number of seats (149 out of 182) in the history of Gujarat Assembly elections. His son, Bharatsinh Solanki, is MP from Anand and Union Drinking Water and Sanitation Minister.