New Delhi, the new Capital of India was inaugurated by Lord Irwin in the year

In which year was the capital of British India shifted from Calcutta to Delhi?

In which year the capital of India was transferred from Calcutta to Delhi?

When did Britishers shifted the capital to Delhi ?

The ‘Deepavali Declaration’ issued in the year 1929 was related to the :

August offer was happened in which year?