- Author: Aman Chandra Kaushik Ajay Kumar Shiv Bharadwaj Ravi Chaudhary Shakti Sahi
- Language: English
- Year: 2018
- Author: Priyanka Singh Ajay Kumar Tiwari
- Language: English
- Year: 2018
- Author: Ajay Kumar Mishra Chaudhery Mustansar Hussain
- Language: English
- Year: 2018
- Author: Chaudhery Mustansar Hussain Ajay Kumar Mishra
- Language: English
- Year: 2018
- Author: Ajay Kumar Tamrakar Dineshkumar Harursampath
- Language: English
- Year: 2014
- Author: Ajay Kumar Mishra, Lallan Mishra
- Language: English
- Year: 2018
- Author: Mishra Ajay Kumar
- Language: English
- Year: 2017
- Author: Mishra Ajay Kumar, Mishra Lallan
- Language: English
- Year: 2018
- Author: Ajay Kumar Tamrakar, Dineshkumar Harursampath
- Language: English
- Year: 2014
