As you have asked about the ranking of private engineering colleges in India, I am giving you information about it, check below for the details

Ranking According to the Outlook India:

Rank Name of nstitute

1 BITS
2 IIIT (Please see Clarification)
3 PSG College of Technology
4 BIT, Mesra
5 Thapar University
6 VIT University
7 Manipal Inst. of Technology
8 Dhirubhai Ambani Inst. of Information & Comm. Tech.
9 RV College of Engineering
10 SSN College of Engineering
11 SASTRA
12 PES Inst. of Technology
12 Amity School of Engg & Tech
13 Sir M. Visvesvaraya Inst. of Technology (Please see Clarification)
14 Karunya University
15 Nirma Univ. of Science & Technology
15 BIT, Sindri(Pl See Clarification)
16 Mepco Schlenk Engineering College
17 Inst. of Technology & Management
18 KIIT University
19 ICFAI Institute of Science & Technology
20 Kongu Engineering College
21 Amrita School of Engineering
22 MS Ramaiah Institute of Technology
23 Bangalore Inst. of Tech.
24 Velagapudi Ramakrishna Siddhartha Engg College
25 GITAM Inst. of Technology
26 Hindustan College of Engineering
27 Sona College of Technology
28 Babu Banarasi Das National Inst. of Tech. & Mgmt
29 Chaitanya Bharathi Institute of Technology
30 Sreenidhi Inst. of Science & Technology
31 BMS Inst. of Technology
32 Yeshwantrao Chavan College of Engineering
33 Shri Ramdeo Baba KN Engg College
34 Galgotia's College of Engineering & Technology
35 Vishwakarma Institute of Technology