Detailed Instructions: A text is given in English. Translate it from the English language to the Telugu language. The translation must not omit or add information to the original sentence.
Problem:ఎక్స్‌ప్రెశన్ ఆఫ్ ఇంట‌రెస్ట్ ను వ్య‌క్తం చేసిన ప్రాంతాల ఆధారంగా ప్ర‌తి 6 నెల‌ల‌కు బిడ్డింగు ను నిర్వ‌హిస్తారు.
Solution:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Based on the areas for which expression of interest has been expressed bidding will be conducted every 6 months.