An inevitable or unalterable reality or truth, often pertaining to human existence or condition.
जीवन का अटल सत्य
English Usage: Aging is a fact of life.
Hindi Usage: बुढ़ापा जीवन का अटल सत्य है।
jeevan ka atal satya, jeevan ka atal sattya, jeevan ka atal sathya, jeevan ka atal satty, jeevan ka atul sathya