WITH a scintillating performance in the by-elections for five assembly constituencies in Kerala, the ruling Left Democratic Front has increased its tally from 92 to 93. After winning Pala assembly segment which was a 45-year old UDF bastion, the LDF has wrested two more seats from the UDF base, though lost one to the UDF.In Vattiyoorkavu assembly segment in the capital city of Thiruvananthapuram, and Konni in Pathanamthitta distrtict, which are both decade long sitting seats of the Congress, LDF won with huge margins.