What are eight landmark cases that shaped Indian legal history?

Eight landmark Indian legal cases shaped the nation: MC Mehta’s environmental suits on the Ganga and Taj, Indra Sawhney on reservations, Kesavananda Bharati limiting constitutional amendments, Maneka Gandhi expanding personal liberty, Vishaka guidelines against sexual harassment, KS Puttaswamy on privacy, and Navtej Johar decriminalising Section 377, marking major legal milestones.