Hello,
.
Black listed University are nothing but the students from such University will not get a job in a particular company which has black listed it. In simple means, a company will black list a Institute, to not to give give placements, recruit students from such Institute in there companies. So, such Institute Students can't get a job in such companies.

Now, here are some the college's which are black listed,

• Academy of maritime education
• Chettinad academy of research and education
• Dr mgr educational and research institute
• Kalasalingam academy of research
• Karpagam academy of Higher education
• Meenakshi academy of Higher educational
• Noorul Islam
• Ponnaiyah ramajayam Institute of science
• Saveetha Institute Medical and technology

Tamil Nadu

No Blacklisted College In tamil nadu, chennai

Delhi

1. Commercial University Ltd., Daryaganj, Delhi.

2. United Nations University, Delhi.

3. Vocational University, Delhi.

4. ADR-Centric Juridical University, ADR House, 8J, Gopala Tower, 25 Rajendra Place, New Delhi - 110 008.

5. Indian Institute of Science and Engineering, New Delhi.

6. Viswakarma Open University for Self-Employment, Rozgar Sewasadan, 672, Sanjay Enclave, Opp. GTK Depot, Delhi-110033.

7. Adhyatmik Vishwavidyalaya (Spiritual University), 351-352, Phase-I, Block-A, Vijay Vihar, Rithala, Rohini, Delhi-110085

   Karnataka
   
   

8. Badaganvi Sarkar World Open University Education Society, Gokak, Belgaum, Karnataka.

   Kerala
   
   

9. St. John’s University, Kishanattam, Kerala.

   Maharashtra
   
   

10. Raja Arabic University, Nagpur, Maharashtra.

    West Bengal
    
    

11. Indian Institute of Alternative Medicine, Kolkatta.

12. Institute of Alternative Medicine and Research,8-A, Diamond Harbour Road, Builtech inn, 2nd Floor, Thakurpurkur, Kolkatta - 700063

13. Uttar Pradesh
    
    

14. Varanaseya Sanskrit Vishwavidyalaya, Varanasi (UP) Jagatpuri, Delhi.

15. Mahila Gram Vidyapith/Vishwavidyalaya, (Women’s University) Prayag, Allahabad, Uttar Pradesh.

16. Gandhi Hindi Vidyapith, Prayag, Allahabad, Uttar Pradesh.

17. National University of Electro Complex Homeopathy, Kanpur, Uttar Pradesh.

18. Netaji Subhash Chandra Bose University (Open University), Achaltal, Aligarh, Uttar Pradesh.

19. Uttar Pradesh Vishwavidyalaya, Kosi Kalan, Mathura, Uttar Pradesh.

20. Maharana Pratap Shiksha Niketan Vishwavidyalaya, Pratapgarh, Uttar Pradesh.

21. Indraprastha Shiksha Parishad, Institutional Area,Khoda,Makanpur,Noida Phase-II, Uttar Pradesh.

22. Odisha
    
    

23. Nababharat Shiksha Parishad, Anupoorna Bhawan, Plot No. 242, Pani Tanki Road,Shaktinagar, Rourkela-769014.

24. North Orissa University of Agriculture & Technology, Odisha.

25. Puducherry
    
    

26. Sree Bodhi Academy of Higher Education, No. 186, Thilaspet, Vazhuthavoor Road, Puducherry-605009

27. Andhra Pradesh
    
    

28. Christ New Testament Deemed University, #32-32-2003, 7th Lane, Kakumanuvarithoto, Guntur, Andhra Pradesh-522002 and another address of Christ New Testament Deemed University, Fit No. 301, Grace Villa Apts., 7/5, Srinagar, Guntur, Andhra Pradesh-522002

For more references about the fake universities , you can visit the link

https://www.ugc.ac.in/page/Fake-Universities.aspx