लेखन एवं चित्र श्रेय

Article source and licence

Om Birla — Wikipedia contributors

Authors and revision history · CC BY-SA 4.0

Adapted to the Hindustan Pedia layout. Navigation, source infoboxes and remote inline images removed; links and headings normalised. Source prose is retained under its licence; not presented as newly authored prose.

Photo credit

IAEA Imagebank — CC BY 2.0

Original image

Resized and JPEG-compressed. No endorsement is implied.