D. Priyadarshi and K. Karar,"Utilising FTIR and Gas chromatograph for optimizinglipid extraction for biodiesel production from domestic sewage sludge and Food waste", Research Journal of Chemistry and Environment, vol.21, no.8, pp.26-36, World Researchers Association, August 2017       Article

R. Parwin, R. Jha, and K. Karar(Paul),"A Novel Approach for Sub-Basin Wise Water Resources Assessment", International Journal of Innovative Research in Science, Engineering and Technology, vol.6, IJIRSET 2017, 10.15680/IJIRSET.2017.0601071       Article

N. C. Kavuri, K. Karar, and N. Roy,"TSP aerosol source apportionment in the urban region of the Indian steel city, Rourkela", Particuology, vol.20, pp.124-133, Elsevier, June 2015, 10.1016/j.partic.2014.07.006       Article

N. C. Kavuri, K. Karar, and N. Roy,"TSP aerosol source apportionment in the urban region of the Indian", Particuology, vol.20, pp.124-133, Elsevier 2015, dx.doi.org/10.1016/j.partic.2014.07.006       Article

L. S. Yadav, B. K. Mishra, A. Kumar, and K. Karar(Paul),"Arsenic removal using bagasse fly ash-iron coated and sponge iron char", Journal of Environmental Chemical Engineering, pp.1467 - 1473, Elsevier 2014, 10.1016/j.jece.2014.06.019       Article

A. K. Gupta, K. Karar, S. Ayoob, and K. John,"Spatio-temporal characteristics of gaseous and particulate pollutants in an urban region of Kolkata, India", Atmospheric Research, vol.87, no.2, pp.103-115, Elsevier 2008, 10.1016/j.atmosres.2007.07.008       Article

A. K. Gupta, K. Karar, and A. Srivastava,"Chemical mass balance source apportionment of PM10 and TSP in residential and industrial sites of an urban region of Kolkata, India", Journal of Hazardous Materials, vol.142, pp.279-287, Elsevier 2007, :10.1016/j.jhazmat.2006.08.013       Article

K. Karar and A. K. Gupta,"Source apportionment of PM10 at residential and industrial sites of an urban region of Kolkata, India", Atmospheric Research, vol.84, no.1, pp.30-41, Elsevier 2007, 10.1016/j.atmosres.2006.05.001       Article

K. Karar and A. K. Gupta,"Seasonal variations and chemical characterization of ambient PM10 at residential and industrial sites of an urban region of Kolkata (Calcutta), India", Atmospheric Research, vol.81, no.1, pp.36-53, Elsevier 2006, 10.1016/j.atmosres.2005.11.003       Article

K. Karar, A. K. Gupta, A. Kumar, and A. K. Biswas,"Characterization and Identification of the Sources of Chromium, Zinc, Lead, Cadmium, Nickel, Manganese and Iron in Pm10 Particulates at the Two Sites of Kolkata, India", Environmental Monitoring and Assessment, vol.120, pp.347-360, Springer 2006, 10.1007/s10661-005-9067-7       Article