Editor

S.K. Trehan
Panjab Univesity,
Chandigarh 160 014, India

Associate Editor

R.K. Kochhar
Indian Institute of Astrophysics,
Bangalore 560 034, India

K.D. Abhyankar
Osmania University,
Hyderabad 500 007, India

M.R. Deshpande
Physical Research Laboratory,
Ahmedabad, India

V.P. Gaur
Uttar Pradesh State Observatory,
Naini Tal, India

V.K. Kapahi
Tata Institute of Fundamental Research Centre,
Bangalore, India

T.M.K. Marar
Indian Space Research Organization
Satellite Centre, Bangalore, India