Hi I have completed diploma course and now I want to do B.Tech in Mechanical Engineering course so tell me the colleges that offer lateral entry in India?

Ok, as you want to B.Tech in Mechanical Engineering course after Diploma so admission to this course is based on the entrance test conducted by the concerned University.

Engineering Lateral Entry Entrance Exams

Mumbai University Lateral Entry Entrance Examination
Punjab Technical University Lateral Entry Entrance Test (PTU LEET)
UKSEE B.Tech (Lateral Entry) Entrance Exam
Uttarakhand Technical University Lateral Entry Entrance Test
West Bengal University Joint Entrance Exam for Lateral Entry (JELET)
Calicut University Lateral Entry Entrance Exams
Delhi technical University Lateral Entry Entrance Examination
Kerala University Lateral Entry Exam
KIIT University Lateral Entry Entrance Examination
Lateral Entry Entrance Test LEET
LPU NEAT (National Engineering Aptitude Test)
MIT-Manipal BE Lateral Entry Entrance Exam

Colleges that take part in these Entrance Exams

Harcourt Butler Technological Institute Kanpur
Hindustan Institute of Technology, Chennai
IIIT- Allahabad
Indraprastha University, New Delhi
Institute of Technology, Nirma Univ, Ahmedabad
International Institute of Information Technology, Hyderabad
Jabalpur Engineering College
Jamia Millia Islamia, New Delhi New Delhi
JNTI Hyderabad
Kalinga Institute of Industrial Technology Bhubaneshwar
KIITS Orissa
M.S. Ramaiah Institute of Technology
M.S. Ramaiah Institute of Technology Bangalore
Maharashtra Institute of Technology (MIT)
MNIT Jaipur
St. Longowal Institute of engineering and tech., Punjab
VIT Vellore
Amity School of Engineering
Amrita Institute of Technology & Science
Cochin University, Cochin
CUSAT Kochi
Dharmsinh Desai Institute of Technology
Dhirubhai Ambani IICT Gandhinagar
Faculty of Engineering and Technology, Jadavpur University, Kolkata
G.H. Patel College of Engg & Technology
Guru Nanak Dev Engg College Ludhiana