1. Measurements of ionospheric currents by magnetometric methods -- 2. Electrical fields in the ionosphere -- 3. In-situ electron density measurements in the E region -- 4. Geomagnetic field variations and ionospheric drift -- 5. Studies of the equatorial electrojet with coherent and incoherent backscatter radar at Jicamarca -- 6. Particles, fields and currents in the magnetosphere -- 7. Anomalous vertical field at Trivandrum -- 8. Geomagnetic anomalies in South India -- 9. The equatorial electrojet - some of the unsolved problems and possibilities of further work in India -- 10. Review of the recent theoretical work on the equatorial electrojet -- 11. Inter-comparison of magnetometer measurements in India and its implications -- 12. Unsolved problems of the equatorial electrojet -- 13a. Sq current system-two dimensional formulation -- 13b. Sq current system-three dimensional modification -- 14. Magnetospheric contributions to the geomagnetic daily variations