Which of the following was not known to Indus Valley people? HomeHistory QuizWhich of the following was not known to Indus Valley people?upsc history quizQ. Which of the following was not known to Indus Valley people?(a) Silver(b) Copper(c) Iron(d) BronzeAns: (c) Iron
Iltutmish followed the policy of neutrality when Mangabarni asked forhelp against the Mongols because
