The process in photosynthesis where sugars are formed without the presence of light.
प्रकाश के बिना शर्करा बनने की प्रक्रिया।
English Usage: The dark reaction of photosynthesis occurs after the light reactions have taken place.
Hindi Usage: प्रकाश अभिक्रिया के बाद गहन अभिक्रिया होती है।
gahan abhikriya, gahan abhikriyaa, gahan abhikriyaah, gahan abheekriya