Comparison between decreasing body temperature and keeping normal temperature before starting heated chemotherapy into abdomen on developing decreased body temperature after heated chemotherapy

Intervention1: Normothermia Group: Normothermia will be maintained throughout CRS and warming devices will not be stopped before starting HIPEC.
Control Intervention1: Passive Hypothermia Before HIPEC: As per our standard anesthesia protocol, warming devices will be stopped 1 hour before the HIPEC phase to maintain temperature between 34.5-35.0 degree C.
Primary outcome(s): Proportion of patients who have achieved normal body temperature of at least 35 degree C post HIPECTimepoint: Immediately (0 hour) after shifting the patients to ICU or postanaesthesia care unit.
Study Design: Randomized, Parallel Group Trial Method of generating randomization sequence:Computer generated randomization Method of allocation concealment:On-site computer system Blinding and masking:Open Label