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![Q. In the light of recent researches, how has the notion of iron technology heralding major social and economic changes in Indian been modified? आधुनिक अनुसन्धानों के प्रकरण में वह विचार कि भारत में लौह प्रौद्योगिकी द्वारा महत्त्वपूर्ण सामाजिक और आर्थिक परिवर्तन हुआ था, कहाँ तक बदला है ? [BPSC-1995]](https://selfstudyhistory.com/wp-content/themes/daily-insight/assets/uploads/no-featured-image-500x375.jpg)