Nirjara Nirjara Nirjara is one of the seven fundamental principles, or Tattva in Jain philosophy, and refers to the shedding or removal of accumulated karmas from the atma (soul), essential for breaking free from samsara, the cycle of birth-death and rebirth, by achieving moksha, liberation. Literally meaning "falling off", the concept is described first in chapter 9 of the classical Jain text, Tattvartha Sutra (True nature of Reality) written by Acharya Umasvati, in 2nd century CE, the only text authoritative in both Svetambara and Digambara sects of Jainism. Later it also finds mention in Dravyasamgraha (Compendium of substances), a 10th-century Jain
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