This is a randomised controlled clinical trial . The investigators aim to compare the effects of preoperative immune modulating enteral nutrition and standard oral nutrition supplement on clinical outcomes of the patients undergo colorectal cancer surgery. The main questions it aims to answer are: 1. Does immunonutrition preoperatively facilitate earlier return of Gastrointestinal function? 2. Does immunonutrition significantly reduce risk of post-operative surgical site infections? 3. Does immunonutrition significantly reduce duration of hospital stay in patients undergoing colorectal surgery? Immunonutrition can be defined as modulation of either the activity of the immune system, or modulation of the consequences of activation of the immune system, by nutrients or specific food items fed in amounts above those normally encountered in the diet. Oral IMPACT is readily available immunonutrition consist of 3.3 g of arginine,0.8 g of omega-3 fatty acids and 3.0 g of nucleotides per servings. Nutren Optimum is a balanced nutritional supplement that enhance body natural defence and support recovery during illness. However, it does not consist all the component of immunonutritons. Hence , Oral IMPACT will be used as study sample on experimental arm whereas Nutren optimum will be used as study sample on control arm. Partipicant will be randomised into this two arm and then they will consume the respective arm study material for total of 7 days preoperatively. Data will be collected in post operative period and will be analysed.
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Physiology Return of Bowel Function
Timeframe: Through study completion , an average of 1 year