Because no such leader emerged from the Gulf region at that point of time and shown courage to challenge British imperialism. Reach of the British Empire diminished after the Indian independence in 1947 and pressure for a British withdrawal from the Arab emirates in the Persian Gulf increased during the 1950s.

Intension behind naming street on any great leader is just to pay homage to them and to inspire coming generations about his/her virtues. If some one wants to name it on other leaders or great people irrespective of their nationality or region than I would consider it as positive step of Qatar and people residing in Qatar.

Don't politicalize the issue.....Your words reflects you feelings of haterate for Indians or Gandhi....but such great leaders are not only pride of their nation but they are also pride of entire mankind. Your disagreement with his thoughts or his contribution to the world dosen't change the reality or respact people have towards such great people.

May god bless you....!