Yes, with 63% in diploma, you are eligible for lateral entry (direct second year) in engineering colleges in Maharashtra. You can apply through DTE Maharashtra CAP counselling for admission.
Some good colleges you can consider are:
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Government College of Engineering, Karad
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Shri Guru Gobind Singhji Institute of Engineering and Technology, Nanded
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Dr Babasaheb Ambedkar Technological University, Lonere
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G.H. Raisoni College of Engineering, Nagpur