C.  Venkatesan, Chidambaram, M., and Singh, A. P., ?3-Aminopropyltriethoxysilyl functionalized Na-Al-MCM-41 solid base catalyst for selective preparation of 2-phenylpropionitrile from phenylacetonitrile?, Applied Catalysis A-General, vol. 292, pp. 344-353, 2005.

S.  Shylesh, Mirajkar, S. P., and Singh, A. P., ?Influence of silica source in the catalytic activity and heterogenity of mesoporous vanadosilicates?, Journal of Molecular Catalysis A-Chemical, vol. 239, no. 1-2, pp. 57-63, 2005.

V. D.  Chaube, Shylesh, S., and Singh, A. P., ?Synthesis, characterization and catalytic activity of Mn(III)- and Co(II)-salen complexes immobilized mesoporous alumina?, Journal of Molecular Catalysis A-Chemical, vol. 241, no. 1-2, pp. 79-87, 2005.

S.  Shylesh, Jha, R. Kumar, and Singh, A. P., ?Assembly of hydrothermally stable ethane-bridged periodic mesoporous organosilicas with spherical and wormlike structures?, Microporous and Mesoporous Materials, vol. 94, no. 1-3, pp. 364-370, 2006.

S. S.  Bhoware, Shylesh, S., Kamble, K. R., and Singh, A. P., ?Cobalt-containing hexagonal mesoporous molecular sieves (Co-HMS): Synthesis, characterization and catalytic activity in the oxidation reaction of ethylbenzene?, Journal of Molecular Catalysis A-Chemical, vol. 255, no. 1-2, pp. 123-130, 2006.

M.  Chidambaram, Venkatesan, C., and Singh, A. P., ?Organosilanesulfonic acid-functionalized Zr-TMS catalysts: synthesis, characterization and catalytic applications in condensation reactions?, Applied Catalysis A-General, vol. 310, pp. 79-90, 2006.

R. Kumar Jha, Shylesh, S., Bhoware, S. S., and Singh, A. P., ?Oxidation of ethyl benzene and diphenyl methane over ordered mesoporous M-MCM-41 (M = Ti, V, Cr): synthesis, characterization and structure-activity correlations?, Microporous and Mesoporous Materials, vol. 95, no. 1-3, pp. 154-163, 2006.

S.  Shylesh and Singh, A. P., ?Vanadium-containing ethane-silica hybrid periodic mesoporous organosilicas: synthesis, structural characterization and catalytic applications?, Microporous and Mesoporous Materials, vol. 94, no. 1-3, pp. 127-138, 2006.

S.  Selvakumar, Chidambaram, M., and Singh, A. P., ?Benzylsulfonic acid functionalized mesoporous Zr-TMS catalysts: an efficient and recyclable catalyst for the preparation of coumarin derivatives by pechmann condensation reaction?, Catalysis Communications, vol. 8, no. 5, pp. 777-783, 2007.

S. S.  Bhoware and Singh, A. P., ?Characterization and catalytic activity of cobalt containing MCM-41 prepared by direct hydrothermal, grafting and immobilization methods?, Journal of Molecular Catalysis A-Chemical, vol. 266, no. 1-2, pp. 118-130, 2007.

S.  Shylesh, Samuel, P. P., and Singh, A. P., ?Chromium-containing small pore mesoporous silicas: synthesis, characterization and catalytic behavior in the liquid phase oxidation of cyclohexane?, Applied Catalysis A-General, vol. 318, pp. 128-136, 2007.

S.  Shylesh, Samuel, P. P., Parischa, R., and Singh, A. P., ?Ethane bridged hybrid mesoporous silsesquioxanes with sulfonic acid functionalities: synthesis, characterization and catalytic applications?, in From Zeolites to Porous Mof Materials: the 40th Anniversary of International Zeolite Conference, Proceedings of the 15th International Zeolite Conference, Sara Burgerhartstraat 25, Po Box 211, 1000 AE Amsterdam, Netherlands, 2007, vol. 170, pp. 1899-1904.

S.  Shylesh, Srilakshmi, C., Singh, A. P., and Anderson, B. G., ?One step synthesis of chromium-containing periodic mesoporous organosilicas and their catalytic activity in the oxidation of cyclohexane?, Microporous and Mesoporous Materials, vol. 99, no. 3, pp. 334-344, 2007.

S.  Shylesh, Samuel, P. P., Srilakshmi, C., Parischa, R., and Singh, A. P., ?Sulfonic acid functionalized mesoporous silicas and organosilicas: synthesis, characterization and catalytic applications?, Journal of Molecular Catalysis A-Chemical, vol. 274, no. 1-2, pp. 153-158, 2007.

S.  Shylesh, Samuel, P. P., and Singh, A. P., ?Synthesis of hydrothermally stable aluminium-containing ethane-silica hybrid mesoporous materials using different aluminium sources?, Microporous and Mesoporous Materials, vol. 100, no. 1-3, pp. 250-258, 2007.

S.  Shylesh, Srilakshini, C., Singh, A. P., and Anderson, B. G., ?Bridging the gap between micropores and mesopores by the controlled transformation of bifunctional periodic mesoporous silicas?, Microporous and Mesoporous Materials, vol. 108, no. 1-3, pp. 29-40, 2008.

S.  Shylesh, Samuel, P. P., Sisodiya, S., and Singh, A. P., ?Periodic mesoporous silicas and organosilicas: an overview towards catalysis?, Catalysis Surveys from Asia, vol. 12, no. 4, pp. 266-282, 2008.

S.  Selvakumar and Singh, A. P., ?Benzoylation of anisole over silicotungstic acid modified mesoporous alumina?, Catalysis Letters, vol. 128, no. 3-4, pp. 363-372, 2009.

S. S.  Bhoware, Kamble, K. R., and Singh, A. P., ?Catalytic activity of cobalt containing MCM-41 and HMS in liquid phase oxidation of diphenylmethane?, Catalysis Letters, vol. 133, no. 1-2, pp. 106-111, 2009.

A. P.  Singh, Torita, N., Shylesh, S., Iwasa, N., and Arai, M., ?Catalytic aerobic oxidation of cyclohexane and ethyl benzene over chromium-containing mesoporous organosilicas?, Catalysis Letters, vol. 132, no. 3-4, pp. 492-499, 2009.

S.  Parambadath and Singh, A. P., ?Ru(II)-Chiral (1R,2S)-(+)-cis-1-amino-2-indanol immobilized over SBA-15 for asymmetric transfer hydrogenation reaction of prochiral ketones?, Catalysis Today, vol. 141, no. 1-2, pp. 161-167, 2009.

S.  Selvakumar, Gupta, N. M., and Singh, A. P., ?Nature of the acid sites in the metal triflates immobilized in SBA-15 and their role in the friedel-crafts acylation of naphthalene?, Applied Catalysis A-General, vol. 372, no. 2, pp. 130-137, 2010.

P. S.  Vijayakumar, Selvakumar, S., Gholap, R. S., Singh, A. P., and Prasad, B. L. V., ?Vice to virtue: intracellular biogenic nanoparticles for the generation of carbon supported catalysts?, Journal of Nanoscience and Nanotechnology, vol. 10, no. 2, pp. 905-911, 2010.

S.  Shylesh, Kapoor, M. P., Juneja, L. R., Srilakshmi, C., and Singh, A. P., ?Synthesis and characterization of bifunctional ethenylene bridged mesoporous organoaluminosilicates?, Nanoscience and Nanotechnology Letters, vol. 3, no. 4, pp. 497-502, 2011.

S.  Sisodiya, Shylesh, S., and Singh, A. P., ?Tin incorporated periodic mesoporous organosilicas (Sn-PMOs): synthesis, characterization, and catalytic activity in the epoxidation reaction of olefins?, Catalysis Communications, vol. 12, no. 7, pp. 629-633, 2011.

P.  Sharma and Singh, A. P., ?Binapthyl Schiff base diamine complex covalently bonded to modified SBA-15: synthesis, characterization and catalytic application?, Catalysis Today, vol. 198, no. 1, pp. 184-188, 2012.

P.  Sharma, Lazar, A., and Singh, A. P., ?Mn(III) based binapthyl schiff base complex hetrogenized over organo-modified SBA-15: synthesis, characterization and catalytic application?, Applied Catalysis A-General, vol. 439, pp. 101-110, 2012.

A.  Lazar, Sharma, P., and Singh, A. P., ?Chiral (VO)-O-IV-Sal-Indanol complex over modified SBA-15: an efficient, reusable enantioselective catalyst for asymmetric sulfoxidation reaction?, Microporous and Mesoporous Materials, vol. 170, pp. 331-339, 2013.

B. Ahmad Dar, Bhatti, P., Singh, A. P., Lazar, A., Sharma, P. R., Sharma, M., and Singh, B., ?Clay entrapped Cu(OH)(x) as an efficient heterogeneous catalyst for ipso-hydroxylation of arylboronic acids?, Applied Catalysis A-General, vol. 466, pp. 60-67, 2013.

B. Ahmad Dar, Bhowmik, A., Sharma, A., Sharma, P. R., Lazar, A., Singh, A. P., Sharma, M., and Singh, B., ?Ultrasound promoted efficient and green protocol for the expeditious synthesis of 1, 4 disubstituted 1, 2, 3-triazoles using Cu(II) doped clay as catalyst?, Applied Clay Science, vol. 80-81, pp. 351-357, 2013.

B. Ahmad Dar, Singh, S., Pandey, N., Singh, A. P., Sharma, P., Lazar, A., Sharma, M., Vishwakarma, R. A., and Singh, B., ?Clay encapsulated Cu(OH)(x) promoted homocoupling of arylboronic acids: an efficient and eco-friendly protocol?, Applied Catalysis A-General, vol. 470, pp. 232-238, 2014.

P.  Sharma and Singh, A. P., ?Covalently anchored 2,4,6-triallyloxy-1,3,5-triazine Pd(II) complex over a modified surface of SBA-15: catalytic application in hydrogenation reaction?, RSC Advances, vol. 4, no. 102, pp. 58467-58475, 2014.

P.  Sharma and Singh, A. P., ?Phosphine free SBA-15-EDTA-Pd highly active recyclable catalyst: synthesis characterization and application for suzuki and sonogashira reaction?, Catalysis Science & Technology, vol. 4, no. 9, pp. 2978-2989, 2014.

A.  Lazar, Thiel, W. R., and Singh, A. P., ?Synthesis and characterization of 3-[N,N `-bis-3-(salicylidenamino)ethyltriamine] Mo(VI)O-2@SBA-15: a highly stable and reusable catalyst for epoxidation and sulfoxidation reactions?, RSC Advances, vol. 4, no. 27, pp. 14063-14073, 2014.

P.  Sharma and Singh, A. P., ?Synthesis of a recyclable and efficient Pd(II) 4-(2-pyridyl)-1,2,3-triazole complex over a solid periodic mesoporous organosilica support by ``click reactions'' for the stille coupling reaction?, RSC Advances, vol. 4, no. 81, pp. 43070-43079, 2014.

A.  Lazar, George, S. C., Jithesh, P. R., Vinod, C. P., and Singh, A. P., ?Correlating the role of hydrophilic/hydrophobic nature of Rh(I) and Ru(II) supported organosilica/silica catalysts in organotransformation reactions?, Applied Catalysis A-General, vol. 513, pp. 138-146, 2016.

A.  Lazar, Sanjush, K. S., and Singh, A. P., ?Organofunctionalization of vanadium(III) acetylacetonate complex over aminofunctionalized SBA-15 for sulfoxidation reactions?, Advanced Porous Materials, vol. 4, 3 vol., no. 3, pp. 212-218, 2016.

A. B.  Vysakh, Lazar, A., Yadukiran, V., Singh, A. P., and Vinod, C. P., ?Phenylacetylene hydrogenation on Au@Ni bimetallic core-shell nanoparticles synthesized under mild conditions?, Catalysis Science & Technology, vol. 6, no. 3, pp. 708-712, 2016.

B.  Sreenu, Sharma, P., Seshaiah, K., and Singh, A. P., ?Synthesis and characterization of nanoporous silica SBA-15 diaminocyclohexane and its application in removal of Cu(II) and Ni(II) from aqueous solution?, Desalination and Water Treatment, vol. 57, no. 33, pp. 15397-15409, 2016.

B.  Sreenu, Imran, K., Seshaiah, K., Sharma, P., and Singh, A. P., ?Synthesis of new hybrid sorbent 2-mercaptobenzaldehyde SBA-15 and its application in solid phase extraction of Cd(II) from water and food samples?, Analytical Methods, vol. 8, no. 14, pp. 2947-2954, 2016.

A.  Lazar, Vinod, C. P., and Singh, A. P., ?Exploration of amination reactions on highly extendable active sites of Pd(II)-3-allylsalicylaldiminophenol (ASIP) complex over thiofunctionalized SBA-15?, Microporous and Mesoporous Materials, vol. 242, pp. 173-181, 2017.

A.  Lazar, Silpa, S., Prabhakaran, V. C., and Singh, A. P., ?Heterogeneous route for transfer hydrogenation reactions of ketones using Ru(II)Cymene complex over modified benzene-organosilica (PMOB)?, Molecular Catalysis, vol. 440, pp. 66-74, 2017.

J.  Rathod, Sharma, P., Pandey, P., Singh, A. P., and Kumar, P., ?Highly active recyclable SBA-15-EDTA-Pd catalyst for Mizoroki-Heck, Stille and Kumada C-C coupling reactions?, Journal of Porous Materials, vol. 24, no. 4, pp. 837-846, 2017.

A.  Pathak and Singh, A. P., ?Synthesis and characterization of D-2PA-Pd(II)@SBA-15 catalyst via ``click chemistry'': highly active catalyst for Suzuki coupling reactions?, Journal of Porous Materials, vol. 24, no. 2, pp. 327-340, 2017.

A.  Lazar, Betsy, K. J., Vinod, C. P., and Singh, A. P., ?Ru(II)-functionalized SBA-15 as highly chemoselective, acid free and sustainable heterogeneous catalyst for acetalization of aldehydes and ketones?, Catalysis Communications, vol. 104, pp. 62-66, 2018.

P.  Sharma, Rathod, J., Singh, A. P., Kumar, P., and Sasson, Y., ?Synthesis of heterogeneous Ru(II)-1,2,3-triazole catalyst supported over SBA-15: application to the hydrogen transfer reaction and unusual highly selective 1,4-disubstituted triazole formation via multicomponent click reaction?, Catalysis Science & Technology, vol. 8, no. 13, pp. 3246-3259, 2018.