00311nam a22000857a 450000500170000010000250001724500920004226000760013470000150021020251215140711.0  aFrancina C Fernandez  aPostnoon evolution of equitorial ionization anomly during the low solar activity period  aThiruvananthapuram:bDepartment of Physics; All Saint's College,c2025.  aDr.Ajesh A