The All-Important Yogas in Vedic Jyotisha is meant for proper analysis, constitution and fixation of effects of the Yogas in a given chart. Although a plenty of Yogas has been described in the classics where the determination of the Yoga is highly important. Nowadays, people fix Yogas in a cursory manner and thus, they simply ignore the essential conditions cited by the sages when Yoga emerges indeed. This exercise leaves the readers in a state of being ill-understanding the structure of certain Yogas. Besides their structure, the sequence of checking their constitution is also significant. All-Important Yogas in the order of their preference have been elucidated in an easy-to-understand format with actual example horoscopes. Much famous Yogas like the Gaja-Kesari, the Panch-Mahapurusha yogas, etc., have been dealt with in a proper manner citing all conditions of their fulfillment. In fact, the Maha-Purusha Yoga turns into an ‘Upa-Purusha Yoga’ under certain circumstances; therefore, covering all possible situations, one full chapter has been devoted to the subject.