1) Establishment of IITs/IIMs/ hi tech PSUs in the 1950s 2) Abolition of caste system, Zamindary and Hindu reform bills ; Banka nationalisation WAS a good idea then. Green revolution in 1960s 3) Nuclear explosion in 1974 4) Computerisation in 1985. Five technology missions of Rajiv Gandhi in telecom , education , water, panchayats etc 5) Weaponisation of Nuclear technology in 1987 6) Reforms in 1991 7) Nuclear agreement in 2006-7 to solve energy needs for future.
No original legacy of BJP except for the Ram Mandir, Lahore "terrorist" bus and Kandahar Highjack surrender.