Please visit this link
From airport/railway station you could hire prepaid taxis for JNCASR.
Address: Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Near Jakkur Aerodrome, Jakkur, Bangalore 560 064.
From airport/railway station you could hire prepaid taxis for IISc.
Make sure you mention your destination as Tata Institute, instead of IISc.
Address: Indian Institute of Science, Malleshwaram, Bangalore 560 012.