Yes, you can take admission in the second year/third semester of engineering programme through lateral entry. For that, the eligibility criteria are the candidate must have passed the diploma in engineering relevant branch with a minimum of 60percent in the aggregate. The selection is based on the basis of entrance test. For more information, you can also visit the following AICTE admission through lateral entry regulations link.

https://www.aicte-india.org/downloads/NotificationAdmissionThroughLateralEntryRegulations2007.PDF               

Yes, you can join B.Tech program after completing polytechnic in the diploma of engineering. You can take admission in B.Tech through two examinations. One is through lateral entry entrance examination and other is engineering entrance examination.

Hi Jyotsna,

Yes, you can. If you have completed your polytechninc then you can take admission in direct 2nd year of engineering. But that too depends on the criteria of different colleges.

All the best!!