Thus there was neither any end of Vedic civilisation due to imaginary Aryan invasion theory nor were Dravidians 'aboriginal savages' of North India.The rise and fall of Vedic Civilisation is thus attributable to ecological cycle post last ice age and not to any 'Aryan invasion'There are 53 references in Rigveda as prayers offered to Aswinis at dawn.Till we don't have any concrete historical and astronomical proofs, it would be more appropriate and accurate to say that Lord Rama was born much earlier than 869,114 solar years in the past and according to Hindu calendar it was Navami of Chaitra Shukla Paksha. 100% Free Online Dating for Ramayan Singles at Mingle2of 10th January 5114 BC."To prove his theory Pushkar Bhatnagar has considered the duration of one Kali Yuga as 1200 solar years.If we take 'y' as the duration of one Kali Yuga then y = 1200 solar years.
Pushkar Bhatnagar doesn't explain if Kali Yuga spans for just 1200/1000 solar years then we all should be living in Satya Yuga.
For this discussion we assume that a Kalpa, the half day of Lord Brahma, is the greatest Vedic division of the time. A Mahayuga is composed of four Yugas of different lengths, named as Krita or Satya, Treta, Dvapara and Kali. A Mahayuga therefore contains 10 times the years of a Kali Yuga i.e. According to Hindu belief a Kalpa is the half day (excluding night) of Brahma, the god of creation.
If we take 'x' as the duration of one Kali Yuga then x = 432,000 solar years.
More adventurous started migrating northwards - initially towards central India and later on towards the Himalayan rivers in the North.
Thousands of years of water security provided by Saraswati, Indus and Ganga river systems and world's most fertile planes cultivated around them naturally facilitated the extra-ordinary development of culture and civilization from around 8000 B. After thousands of years water supply from ice-caps started depleting, tectonic movements resulted in drying up of rivers like Saraswati, trade relations flourished and more adventurous people started moving towards Central Asia and Europe.
Aryan invasion theory was propagated based on linguistic guesswork, religious hearsay and old outdated archaeological reports. The melting of ice caps naturally got started near the Equator, resulting in discharge of huge quantities of water which first flowed in the form of rivers in South India.