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From the fourth to the seventh *guna sthana* of a human being, only *deva-ayu* is bound. In the *asta-maadi* *guna sthana*, *ayukarma* is not bound. The *saakshi* does not have any *ayu* bound. According to the rules of *bhog-bhoomija* and *ku-bhog-bhoomija* humans and *tiryanch*, *deva-ayu* is bound. In the seventh hell, the *naarki* has only *tiryanch-ayu* bound. The *naarki* of the remaining hells and the *deva* up to the twelfth heaven are eligible to have *manushya-ayu* and *tiryanch-ayu* bound. From the thirteenth heaven to *sarvarth-siddhi*, the *deva* are bound by *manushya-ayu* according to the rules. *Tejas-kayika* and *vayu-kayika* beings are bound by *tiryanch-ayu* according to the rules. A being who has come out of hell is neither *eka-indriya* nor *vikal-tray*; but a *deva* up to the second heaven can be born in the remaining *eka-indriya* except *tejas-kayika* and *vayu-kayika*. However,
1. In the seventh *guna sthana*, there is only *bandha-nishtpan*. And in those *sthana* which are not on the verge of becoming a *shreni*, *yudhiti* occurs only at the end of the time of the *aprammat*. On the other hand, *saatishay-aprammat* does not become a *shreni*, therefore, *vyuniti* does not occur.
When a significant portion (or a specific portion) of the time of the *aprammat-sanyat* has passed, the binding of *deva-ayu* is severed. (Dhaval 8/302, 30, 353. 371 etc.) In other words, if the *aprammat* is *ghar-samaya-yati*, then it remains *abandha* (unbound).
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