Study circle was active at JVP. Topics studied at study circle: Orbits of earth and moon, Extra month (Adhik Mas) or depleted month (Kshaya Mas) in Hindu calendar, occultation of Aldebran by moon in October 1978, Retrograde motion of planets, Roche limit for planets, effect of moon on cyclones and high tides, Lunar eclipse on 24 March 1978, Nodes for eclipses, prediction of Pluto’s position in sky in 1912 by Vyankatesh Bapuji Ketkar, how black holes were discovered when there is no light is coming out from it, northward and southward motion of Sun in sky.