Editor

Vinod Krishan
Indian Institute of Astrophysics,
Bangalore 560 034, India

Associate Editor

H.C. Bhatt
Indian Institute of Astrophysics,
Bangalore 560 034, India

C.L. Bhat
Bhabha Atomic Research Centre,
Bombay, India

K.B. Bhatnagar
Zakir Husain College, Delhi, India

Pranab Ghosh
Tata Institute of Fundamental Research,
Bombay, India

Ramesh Narayan
Harvard-Smithsonian Center for Astrophysics,
Cambridge, MA 02138, USA

K. Sinha
Indira Gandhi Planetarium,
Lucknow, India

Editorial Assistance

Sandra Rajiva
Indian Institute of Astrophysics,
Bangalore 560 034, India