Disclaimer: This translation does not guarantee complete accuracy, please confirm with the original page text.
There are infinite levels of intensity for all four *kṣayās*, however, from the perspective of the destruction of *ātma-vikāsa*, there are four levels for each: *ananta-anubandhī*, *apratyākyāna-āvaraṇa*, *pratyākyāna-āvaraṇa*, and *sanjvalana*.
* *Ananta-anubandhī* *kṣayā* does not allow the attainment of *samyag-darśana* during its arising.
* *Apratyākyāna-āvaraṇa* *kṣayā* does not allow the attainment of the ability to observe *vratas* during its arising.
* *Pratyākyāna-āvaraṇa* *kṣayā* does not allow the attainment of the ability to observe *mahā-vratas* during its arising.
* *Sanjvalana* *kṣayā* does not allow the arising of *vītarāgatā* during its arising.
These four types of *kṣayās* are progressively milder, and are also categorized as *prābhōga-nirvartita* and *anābhōga-nirvartita*, *upaśānta* and *anupaśānta*. *Prābhōga-nirvartita* *kṣayā* arises due to a present cause, while that which arises without a cause is called *anābhōga-nirvartita*.
*Kṣayā* is the main cause of *karma-bandhana*. In all three *kālas*, *kṣayā* is considered the cause of the selection of *karma-prakṛtis* and their location and type, and in the 24 *daṇḍaka* beings. *Kṣayā* is also considered the main cause of *upacaya*, *bandha*, *udīraṇa*, *vedanā*, and *nirjarā*.
**Indriyas:** In the 15th *pada* of *chintana*, two objectives are considered in relation to *indriyas*. The *indriya* is the mark that draws the line between *prāṇī* and *aprāṇī*. In *Sarvārtha-siddhī*, Ācārya Pūjyapāda defines the word *indriya* as follows: "The *ātma* that attains supreme *aiśvarya* is called *indra*, and the *liṅga* or mark of that *indra* is called *indriya*." Or, "That which is instrumental in the attainment of *artha* for the *jīva* is *indriya*." Or, "That which is the cause of the attainment of the well-being of the *indriya-tīta* *ātma* is *indriya*." Or, "The *indriya* is that which is created by *nāma-karma*, such as *sparśana* etc." Similar definitions are found in many other texts, such as *Tattvārtha-bhāṣya*, *Tattvārtha-vārttika*, *Āvश्यक-niyukti*, etc.
The implication is that due to the covering of *karma* on the natural power of the *ātma*, knowledge cannot be directly obtained from the *ātma*, therefore a medium is required, and that medium is the *indriya*. Therefore, that which helps in the attainment of knowledge is *indriya*.
There are five *indriyas*: *sparśana*, *rasana*, *prāṇa*, *chaśru*, and *śrōtra*. Their objects are also five: *sparśa*, *rasa*, *gandha*, *rūpa*, and *śabda*. Therefore, *indriya* is called *pratinīyat-artha-grāhī*.
Each *indriya* is of two types: *dravya-indriya* and *bhāva-indriya*. The specific form of *pudgala* is *dravya-indriya*, and the result of *pāśma* is *bhāva-indriya*. There are two divisions of *dravya-indriya*: *nivṛtti* and *upakarana*.