Yajur Veda · Shukla Yajur Veda (Samanya Vedanta Upanishad group) · 16 mantras
Subala Upanishad
Subālopaniṣad
Central theme: The cosmology of creation from the unmanifest, the 16-chapter analysis of the gross-subtle-causal universe, and the final dissolution back into the unborn
A unique cosmological Upanishad framed as the dialogue between sage Raikva (also called Subala) and Lord Brahma. Across 16 brief chapters (khandas), the Upanishad lays out the entire scheme of creation: from the unmanifest avyakta arises akasha (space), from akasha vayu (air), from vayu tejas (fire), from tejas apah (water), from apah prithvi (earth). It then maps the 24 tattvas of Sankhya onto Vedantic non-dualism — accepting the Sankhya enumeration but denying its dualism. The text gives one of the most detailed scriptural accounts of the 72,000 nadis (subtle channels) in the body, the heart-lotus with its 100 petals, and the sushumna nadi as the highway of liberation. The 14th chapter contains the famous "param paragatim" mantra describing the dissolution of the universe back into the unborn imperishable. Subala is one of only three Upanishads (along with Garbha and Pinda) that gives detailed Vedic embryology and the journey of the jiva from conception to liberation.
Subala Upanishad — Khanda 2
अव्यक्तादण्डमुदबभूव। तस्मादण्डात्प्रजापतिः। प्रजापतेरिमे लोकाः॥
Avyaktād aṇḍam udababhūva, tasmād aṇḍāt prajāpatiḥ, prajāpater ime lokāḥ
From the unmanifest emerged the cosmic egg; from that egg arose Prajapati; from Prajapati arose these worlds.
The whole universe is a 16-step staircase from the unborn to the manifest. Whoever knows the steps can walk down them in meditation — and return.