New Delhi, Jan. 26 -- The national capital has been placed on high alert on the occasion of the 77th Republic Day, with intensified security checks underway across the Delhi-NCR region.

Police personnel conducted thorough vehicle checks at Gurugram, Chilla, Tikri, Singhu, Kapashera, Badarpur, and Dhaula Kuan borders amid heightened security arrangements for the Republic Day celebrations.

Meanwhile, other parts of the country donned the tricolour to mark the momentous occasion.

In Uttar Pradesh's Etawah, government buildings were illuminated with tricolour lights on the occasion of Republic Day.

Similarly, the Jharkhand Vidhan Sabha in Ranchi was lit up in the colours of the national flag.

In Mumbai, iconic landmarks including the Gat...