Video narration
Kya Sindhu Ghati Sabhyata achanak mit gayi - aur kya Aryon ne uska ant kiya? Apne shahar mein pani ki kami, baadh, ya vyapar ruk jaye, to giravat achanak nahin aati. Sindhu Sabhyata mein bhi, lagbhag 1900 Isa Purv ke baad, bade shahar dheere-dheere kamzor hue. Jalvayu badlav, nadiyon ka marg badalna, kahin baadh, kahin sookhapan, aur door-daraz ke vyapar mein kami - in dabavon ne shaharon ko kamzor kiya hoga. Lekin yahi mahatvapurn mod hai: shaharon ka kamzor hona, Aryon ke kisi ek bade aakraman ka praman nahin hai. Arya aagaman siddhant uttar-pashchim se Indo-Arya bhashi samoohon ke samay ke saath aane aur sthaniya samajon se milne ki baat karta hai. Yah Arya aakraman siddhant wali achanak vinash ki kahani se alag hai. Shahar ghate, log aur sanskriti aage badhe. Patan kai paryavaraniy aur arthik badlavon se hua; Aryon ka aagaman dheema bhashai-sanskritik badlav tha, akela karan nahin.