Charak Samhita
भक्तिः शीलं स्मृतिस्त्यागो बुद्धिर्बलमहेतुकम्। षडेतानि निवर्तन्ते षड्भिर्मासैर्मरिष्यतः ॥७॥
॥ Prognostic features of impending death and declining lifespan within six months॥ Sudden changes in likings, gentleness, memory, sacrifices, intellect and strength these six attributes in a person indicate the death within a time of six months.
english translation
bhaktiH zIlaM smRtistyAgo buddhirbalamahetukam। SaDetAni nivartante SaDbhirmAsairmariSyataH ॥7॥
hk transliteration by Sanscript