This is Chandogya Upanishad, First Chapter, Thirteenth part, written in Bengali language with original mantras. This is written following the teaching of the great sage Shri. Bijoykrishna Chattopadhyay (1875-1945) of Howrah and his principle disciple Shri Tridibnath Bandopadyay (1933-1994)

1. object, being)।

2. ।

3. `
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।

4. ।
।
।

5. ।

6. ।
।
।
।
।

7. ।
।
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9. ।
।
।
`
।

10. ।

11. ।