Summer time scintillations near the transition zone of the Indian longitude sector

► Spatial and temporal variability of summertime scintillations. ► Summertime VHF and L1 band scintillation near the transition zone. ► Daytime scintillation and Sporadic E irregularity. ► F layer and sporadic E layer irregularities for summer night time scintillations. ► Night time scintillation originated from BSS irregularity.