Sallekhana Jain community. It has not been a "practical or general goal" among Svetambara Jains for many years. It was revived among Digambara monks. In 1955, Acharya Shantisagar, a Digambara monk took the vow because of his inability to walk without help and his weak eye-sight. In 1999, Acharya Vidyanand, another Digambara monk, took a twelve-year-long vow. Between 1800 and 1992, at least 37 instances of "Sallekhana" are recorded in Jain literature. There were 260 and 90 recorded Sallekhana deaths among Svetambara and Digambara Jains respectively between 1993 and 2003. According to Jitendra Shah, the Director of L D Institute of
Digambara Patra to determine adulteration of petroleum fuel which itself is a serious problem in South Asia. They attributed that the presence of extensive inner filter effects and resonance energy transfer in petroleum fuels are the major causes of the distinctive characteristics of these spectra in adulterated samples. Together both the authors later on developed total synchronous fluorescence scan spectra to understand petroleum products and showed that total synchronous fluorescence scan profile is different from excitation emission matrix fluorescence. Digambara along with his collaborator Dr. Rohit Kumar Rana at Indian Institute of Chemical Technology designed a new type of microcapsule-embedded fluorescent molecule