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The Panchama Karma Granth states that when a soul binds eight karmas, it is the third Bhuyaskaar Bandh. This happens when the time for binding Ayukarma arrives. Thus, there are three Bhuyaskaar Bandhs in the four Bandha sthans due to the binding of one to six, six to seven, and seven to eight karmas.
Apart from these three Bhuyaskaar Bandhs in the four Bandha sthans, it is not possible to imagine three other Bhuyaskaar Bandhs. These three Bhuyaskaar Bandhs are imagined as follows: first, binding one and then binding seven karmas; second, binding one and then binding eight karmas; third, binding six and then binding eight karmas.
Of these three Bhuyaskaar Bandhs, the first two can occur in two ways: 1. with respect to falling, 2. with respect to death. However, the first two Bhuyaskaar Bandhs cannot occur with respect to falling because the fall from the eleventh Gunasthan is gradual, not abrupt. This means that a soul falls from the eleventh Gunasthan to the tenth, then from the tenth to the ninth, and so on. If a soul could fall from the eleventh Gunasthan directly to the ninth or seventh Gunasthan, then the first and second Bhuyaskaar Bandhs could occur by binding one and then binding seven or eight karmas. However, since the fall is gradual, these two Bhuyaskaar Bandhs cannot occur with respect to falling.
Similarly, the third Bhuyaskaar Bandh, which is binding six and then binding eight karmas, also cannot occur. This is because the binding of six karmas occurs in the tenth Gunasthan, and the binding of eight karmas occurs in the seventh and lower Gunasthan. If a soul could fall directly from the tenth Gunasthan to the seventh Gunasthan, then it could bind six and then bind eight karmas. However, since the fall is gradual, this is not possible.