(a) Dipavamsa
(b) Divyavadana
(c) Mahaparinibban
(d) Dharma Chakara Pravartana Sutta
Ans: (d) Dharma Chakara Pravartana Sutta
Explanation:The Noble Eight fold Path, is one of the principalteac hings of the Buddha, who desc rib ed it as the wayleading to the cessation of suffering (Dukkha) andattainment of self-awakening. In Buddhist symbolism,the Noble Eight fold Path is often represented bymeans of the Dharma wheel (Dharmachakra), whoseeight spokes represent the eight elements of the path.Eight fold path includes right understanding, right speech, right livelihood; right mindfulness, rightthought, right action, right effort and right concentration.