Braving heavy rainfall, lakhs of devotees have reached the temple town of Mathura in Uttar Pradesh for Janmashtami celebrations.
They will gather around Vrindavan or in Govardhan and Barsana for the celebration.
At Radha Raman temple, Radha Damodar temple and Shah Ji Temple Janmashtami would be celebrated during the day.
In the evening, the main programme would be organised at Bhagwat Bhavan at Srikrishna Janmasthan, said Kapil Sharma, secretary, Srikrishna Janmasthan Seva Sansthan.
The temple would remain open for nearly two hours past midnight to facilitate pilgrims, he added.
SSP Babloo Kumar said security has been tightened and police personnel in plain clothes have been deployed at major temples.
Gopeshwar Nath Chaturvedi, trustee of the Sansthan, advised pilgrims to avoid carrying camera, mobile phones and other gadgets.