Z. Hajamini, M. A. Sobati, S. Shahhosseini, B. Ghobadian, “Waste fish oil (WFO) esterification catalyzed by sulfonated activated carbon under ultrasound irradiation” Applied Thermal Engineering, 94, 1–10, (2016).
 U. Rajak, & T. N. Verma, “Effect of emission from ethylic biodiesel of edible and non-edible vegetable oil, animal fats, waste oil and alcohol in CI engine” Energy Conversion and Management, 166, 704–718, (2018).
 E. Jiaqiang, M. H. Pham, Y. Deng, T. Nguyen, V. N. Duy, D. H. Le, Z. Zhang, “Effects of injection timing and injection pressure on performance and exhaust emissions of a common rail diesel engine fueled by various concentrations of fish-oil biodiesel blends” Energy, 149, 979–989, (2018).
 R. El-Araby, A. Amin, A. K.El Morsi, N. N. El-Ibiari, & G. I. El-Diwani, “Study on the characteristics of palm oil–biodiesel–diesel fuel blend” Egyptian Journal of Petroleum, 27(2), 187–194, (2018).
 R. Dhanasekaran, S. Ganesan, Rajesh Kumar, S. Saravanan, “Utilization of waste cooking oil in a light-duty DI diesel engine for cleaner emissions using bio-derived propanol” Fuel, 235, 832–837, (2019).
 S. H. Dhawane, T. Kumar, & G. Halder, “Process optimisation and parametric effects on synthesis of lipase immobilised carbonaceous catalyst for conversion of rubber seed oil to biodiesel” Energy Conversion and Management, 176, 55–68, (2018).
 H. Hazar, & H. Sevinc, “Investigation of the effects of pre-heated linseed oil on performance and exhaust emission at a coated diesel engine” Renewable Energy, 130, 961–967, (2019).
 B. Kathirvelu, S. Subramanian, N. Govindan, & S. Santhanam, “Emission characteristics of biodiesel obtained from jatropha seeds and fish wastes in a diesel engine” Sustainable Environment Research, 27 (6), 283–290, (2017).
 A. Mahalingam, Y. Devarajan, S. Radhakrishnan, S.Vellaiyan & B. Nagappan, “Emissions analysis on mahua oil biodiesel and higher alcohol blends in diesel engine” Alexandria Engineering Journal, 3–7, (2017).
 M. S. M. Zaharin, N. R. Abdullah, G. Najafi, H. Sharudin & T. Yusaf, “Effects of physicochemical properties of biodiesel fuel blends with alcohol on diesel engine performance and exhaust emissions” A review. Renewable and Sustainable Energy Reviews, 79, 475–493, (2017).
 I. A. Adeoti, K. Hawboldt & M. R. Santos, “Thermal and flow properties of fish oil blends with bunker fuel oil” Fuel, 158, 641–649, (2015).
 K. Bhaskar, G. Nagarajan, & S. Sampath, “Optimization of FOME (fish oil methyl esters) blend and EGR (exhaust gas recirculation) for simultaneous control of NOx and particulate matter emissions in diesel engines” Energy, 62, 224–234, (2013).
 R. Yahyaee, B. Ghobadian & G. Najafi, “Waste fish oil biodiesel as a source of renewable fuel in Iran” Renewable and Sustainable Energy Reviews, 17 (6), 312–319, (2013).
 S. Gnanasekaran, N. Saravanan, & M. Ilangkumaran, “Influence of injection timing on performance, emission and combustion characteristics of a DI diesel engine running on fish oil biodiesel” Energy, 116, 1218–1229, (2016).
 G. Sakthivel, G. Nagarajan, M. Ilangkumaran, & A. B. Gaikwad, “Comparative analysis of performance, emission and combustion parameters of diesel engine fuelled with ethyl ester of fish oil and its diesel blends” Fuel, 132, 116–124, (2014).
 S. Ushakov, H. Valland, & V. Aesoy, “Combustion and emissions characteristics of fish oil fuel in a heavy-duty diesel engine” Energy Conversion and Management, 65, 228–238, (2013).
 M. Saei Moghaddam & A. Zarringhalam Moghaddam, “Performance and exhaust emission characteristics of a CI engine fueled with diesel-nitrogenated additives” Chemical Engineering Research and Design, 92 (4), 720–726, (2014).
 C. Y. Lin, & R. J. Li, “Engine performance and emission characteristics of marine fish-oil biodiesel produced from the discarded parts of marine fish” Fuel Processing Technology, 90 (7–8), 883–888, (2009).
 R. Behçet, “Performance and emission study of waste anchovy fish biodiesel in a diesel engine” Fuel Processing Technology, 92 (6), 1187–1194, (2011).
 A. Gharehghani, M. Mirsalim, & R. Hosseini, “Effects of waste fish oil biodiesel on diesel engine combustion characteristics and emission” Renewable Energy, 101, 930–936, (2017).
 S. Godiganur, C. Suryanarayana Murthy & R. P. Reddy, “Performance and emission characteristics of a Kirloskar HA394 diesel engine operated on fish oil methyl esters” Renewable Energy, 35, 355–359, (2010).
 U. Rajak, & T. N. Verma, “Spirulina microalgae biodiesel – A novel renewable alternative energy source for compression ignition engine” Journal of Cleaner Production, 201, 343–357, (2018).
 C. M. Sivaraja, & G. Sakthivel, “Compression ignition engine performance modelling using hybrid MCDM techniques for the selection of optimum fish oil biodiesel blend at different injection timings” Energy, 139, 118–141, (2017).
 I. A. Adeoti, & K. Hawboldt, “A review of lipid extraction from fish processing by-product for use as a biofuel” Biomass and Bioenergy, 63, 330–340, (2014).
 N. Mrad, E. G. Varuvel, M. Tazerout, & F. Aloui, “Effects of biofuel from fish oil industrial residue - Diesel blends in diesel engine” Energy, 44, 955–963, (2012).
 U. Rajak, P. Nashine, T. S. Singh, & T. N. Verma, “Numerical investigation of performance, combustion and emission characteristics of various biofuels”. Energy Conversion and Management, 156, 235–252, (2018).
 U. Rajak, P. Nashine & T. N. Verma “Assessment of diesel engine performance using spirulina microalgae biodiesel” Energy, 166, 1025-1036, (2018).
 U. Rajak, P. Nashine, T. N. Verma, “Comparative assessment of the emission characteristics of first, second and third generation biodiesels as fuel in a diesel engine” Journal of Thermal Engineering, 2018, Article in Press.
 Gorji, M. R., Ghajar, M., & Hasan, A. Modeling of the air conditions effects on the power and fuel consumption of the SI engine using neural networks and regression. Journal of the Brazilian Society of Mechanical Sciences and Engineering, 39(2), 375–384, (2017).
 Hussana A., Khan I. Gorji M. R., & Khan W.A. CNT S – Water – Based Nanofluid over a Stretching Sheet, bio Nano science (2019).
 Ahmed N., Shah N.A., Inayat S., Shah A., Ulhaq S., & Rahimi-gorji M., Transient MHD Convective flow of fractional nanofluid between vertical plates, 5(4), 592-602, (2019).
 Thokchom Subhaschandra Singh, Tikendra Nath Verma; Taguchi design approach for extraction of methyl ester from waste cooking oil using synthesized CaO as heterogeneous catalyst: Response surface methodology optimization; Energy Conversion and Management; Vol. 182, p.p. 383-397 (2019).
 Upendra Rajak, Tikendra Nath Verma; A comparative analysis of engine characteristics from various biodiesels: Numerical study; Energy Conversion and Management; Vol. 180, p.p. 904-923 (2019).
 Satishchandra Salam, Tikendra Nath Verma; Appending empirical modelling to numerical solution for behavior characterization of microalgae biodiesel; Energy Conversion and Management; Vol. 180, p.p. 496-510 (2019).
 Thokchom Subhaschandra Singh,Tikendra Nath Verma, Prerana Nashine; Analysis of an anaerobic digester using numerical and experimental method for biogas production; Materials Today: Proceedings, Elsevier; Vol. 5, Issue 2P1, pp. 5202-5207 (2018).
 Upendra Rajak, Prerana Nashine, Tikendra Nath Verma; Effect of Fuel Injection Pressure in a Diesel Engine using Microalgae-Diesel Emulsion; International Journal of Engineering and Advanced Technology; Volume-8 Issue-3, pp 263-271, February 2019.
 Upendra Rajak, Prerana Nashine, Tikendra Nath Verma; Experimental Study on Spray Characteristics of Biodiesel-Diesel Fuels Blends in a Constant Volume Chamber; Journal of Engineering and Applied Sciences.
 Upendra Rajak, Tikendra Nath Verma; Influence of combustion characteristics on a compression ignition engine from different generation of biofuels; Engineering Science and Technology, an International Journal.
 Singh TS, Khundrakpam NS, Nashine P, Verma TN, Banerjee M; Performance analysis of a MFVCR engine in SI mode using variable loading conditions; Bonfring International Journal of Industrial Engineering and Management Science, Vol. 6, Iss-4 p.p. 174-176, (2016).
 Upendra Rajak, Tikendra Nath Verma; Numerical investigation on cylindrical combustion chamber for methane-air fuel; International Journal on Theoretical and Applied Research in Mechanical Engineering, Vol. -6, Issue-1-2, (2017).
 Ramesh Kumar, Tikendra Nath Verma; Performance characteristics of a spark ignited variable compression ratio engine at erratic loads; International Journal of Applied Physics; Vol. 03, p.p. 9-13 (2018).
 Shrivastava P, Verma TN. Experimental investigation of performance and emission of Lal Ambari biodiesel and its blends in a compression ignition engine. AkiNik Publications.
 Rajak U, Verma TN. Influence of engine speed variation on single cylinder direct injection diesel engine. Aiknik Publication;(2019).
 Singh TS, Verma TN. Impact of Tri-Fuel on compression ignition engine emissions: Blends of waste frying oil-alcohol-diesel. Springer (Methanol and the Alternate Fuel Economy).
 Rajak U, Verma TN. Influence of emission characteristics using Microalgae biodiesel in diesel engine. International Research Publication House.
 Singh TS, Verma TN, Nashine P, Shijagurumayum C. BS-III diesel vehicles in Imphal, India: An emission perspective. Springer (Air pollution & control);
 Rajak U., Nashine P., Verma T.N., Performance analysis and exhaust emissions of Aegle methyl ester operated compression ignition engine. Thermal Science and Engineering Progress (2019).
 Shrivastava P., Verma T.N., An experimental investigation into engine characteristics fuelled with lal ambari biodiesel and its blends. . Thermal Science and Engineering Progress (2019).