B.tech lateral entry is a direct entry scheme for diploma holders to get admission in second year directly.only state conduct various entrance exam for lateral entry in b.tech course like JELET,UPSEE.some college in delhi offers b.tech lateral entry course

• DTU Delhi
• Bharati Vidyapeeth College of Engineering, Delhi, Paschim Vihar
• NIEC, Shastri Park, Delhi
• GGSIPU - Guru Gobind Singh Indraprastha University , Dwarka, Delhi

You can also check eligibililty and details here

https://www.google.com/amp/s/engineering.careers360.com/articles/b-tech-lateral-entry-in-government-college/amp