Hello Shakuntla,

Diploma in Civil Engineering is a 3-year course. The eligibility criteria for admission is to pass 10th with minimum of 50% aggregate marks. The course fee varies from INR 10000 to 1 lacs per year. Best Polytechnic colleges to pursue Civil engineering are:-

• Govt. Polytechnic, Mumbai
• S H Jondhale Polytechnic, Thane
• Angel Polytechnic, Navi Mumbai
• MEI Polytechnic, Bangalore
• Ambedkar Polytechnic, Delhi
• Aryabhat Polytechnic, Delhi
• Rajasthan Polytechnic College
• Govt. Polytechnic College, Alwar

Hope this Helps.