Alexander the Great invaded India during the rule of?

'इस विधि में मातृभाषा के माध्यम से किसी नवीन भाषा को पढ़ाया जाता है। ' यह कथन कौन सी विधि के संदर्भ में कहा गया है?

Which of the following is considered as the "Golden Period" of life span?

Which country of the world has the largest number of post offices?

Which Article is for "Protection of interests of Minorities”? 

Match the columns.
Institutions                                                                        Headquarters
(A) ICAR-Central Institute for Arid Horticulture         (I) Bikaner
(B) ICAR-Central Institute of Cotton Research           (II) Nagpur
(C) ICAR-National Rice Research Institute                 (III) Cuttack
(D) ICAR-Indian Institute of Horticultural Research (IV) Bengaluru

Head quarter of World Meteorological Organisation is located at? 

‘Home Rule League’ was established by ?