What exactly is the most widely accepted mature phase of the Harappan Civilization?

2500 BCE-1750 BCE is the correct answer.

2500 BCE-1750 BCE is the key fact connected with this Ancient History question.

Ancient History of India covers the period from prehistoric times to around 7th century AD. It includes the Indus Valley Civilization, Vedic Age, Maurya Empire, Gupta Empire, and other dynasties. Ancient Indian history is a key subject in UPSC, SSC, and State PSC exams.

Most important Ancient Indian History topics: Indus Valley Civilization, Vedic Age (Rigvedic and Later Vedic), Buddhism and Jainism, Maurya Empire under Ashoka, Gupta Empire called Golden Age, and South Indian Kingdoms. These topics have high weightage in UPSC Prelims and SSC CGL exams.

The Indus Valley Civilization (3300-1300 BCE) is one of the world oldest civilizations. Major sites include Mohenjo-daro, Harappa, Dholavira, and Lothal. It had advanced urban planning, drainage systems, and trade networks. It is extensively asked in UPSC, SSC, and banking exams.

Important Maurya rulers: Chandragupta Maurya (founder), Bindusara, and Ashoka the Great. Ashoka spread Buddhism after the Kalinga War in 261 BCE. The Arthashastra was written by Kautilya also known as Chanakya. Mauryan Empire questions frequently appear in UPSC and SSC exams.