After gaining independence in 1947, India faced challenges of economic development, political stability, and social reforms. The 1960s saw key events like freeing Goa from Portuguese rule and the 1962 war with China. The 1970s witnessed the 1971 war resulting in Bangladesh's independence and India conducting its first nuclear test. Economic reforms in the 1990s liberalized the economy and increased foreign investment. Overall, India transitioned to a stable democracy while addressing issues of development, national identity, and social justice.