Jagdish Chandra Jain ( 20 January 1909 – 28 July 1993 ) was a scholar , indologist , educationist , writer , and freedom fighter during the freedom struggle of India . He authored over 80 books on a variety of subjects , including Jain philosophy , Prakrit literature , and Hindi textbooks for children . Jain was the chief prosecution witness in Gandhi 's murder trial . He repeatedly tried to warn the government of the conspiracy to assassinate Mahatma Gandhi , which became to known to him after Madan Lal Pahwa , a Punjabi refugee and one of the conspirators of the murder of Mahatma Gandhi , confided to him of their plan . Jain 's attempts to warn the government met deaf ears . He recounted his personal experiences in two books : '' I Could Not Save Bapu '' and '' The Forgotten Mahatma '' . He died from cardiac arrest in July 1993 in Bombay at the age of 84
assassinate Mahatma Gandhi
Assassination of Mahatma Gandhi
Jagdish Chandra Jain