The path of genuine development has three distinct categories of obstacle. Treating one as another is the most common reason that intelligent, sincere people make no progress despite considerable effort.
The classical Vedic formulation identifies three types of Tapa — heat, difficulty, suffering. Adhibhautika Tapa: suffering arising from external, physical sources — illness, environmental conditions, the actions of other beings. Adhidaivika Tapa: suffering arising from cosmic forces — weather, celestial influences, forces beyond individual control. Adhyatmika Tapa: suffering arising from within — the internal conditions of the practitioner's own body, mind, and spirit.
The Patanjali system refines this into the five Kleshas — the deep-rooted afflictions that structure ordinary human suffering:
Avidya — ignorance of one's true nature. The root klesha from which all others grow. Not factual ignorance but the specific confusion of mistaking the limited self for the totality of what one is.
Asmita — ego-identification. The secondary klesha that constructs a particular self-concept from the raw fact of Avidya and defends it against anything that might threaten it.
Raga — attachment to the pleasant. The movement toward experiences that temporarily reduce the background sense of incompleteness.
Dvesha — aversion to the unpleasant. The movement away from experiences that intensify the background sense of incompleteness.
Abhinivesha — the will to continue, the clinging to existence. The deepest instinctual resistance to the dissolution that genuine development requires.
Kashmir Shaivism maps the spiritual barrier at the deepest level through the three Malas — Anavamala (the root sense of incompleteness), Mayiyamala (the sense of separation from others and from the divine), and Karmamala (the compulsive cycle of action driven by the first two). These are not moral failings. They are structural conditions of contracted Consciousness — the specific shape that Shiva's forgetting takes in an individual life. Recognising which Mala is dominant in one's situation is the prerequisite for choosing the appropriate practice.
The practical error: applying a spiritual remedy to a physical problem, or a physical remedy to a spiritual one. The practitioner who meditates their way around a condition that requires medical attention is as misguided as the one who treats a structural problem of consciousness with physiotherapy.
The Vedic tradition's genius is the diagnostic precision. Three planes. Three types of suffering. Three types of remedy. The physician of the self needs to know which is which before reaching for the medicine.