Who introduced the Ryotwari settlement in Madras?

The ‘Permanent Settlement’ was made with –

Which among the following is considered one of the most important contributions introduced by the British in India?

Tea growing in India in the 19th century was made possible by

Who among the following put forward the famous Drain Theory?

The most effective contribution made by Dadabhai Naoroji to the cause of Indian National Movement was that he