CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="120"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'non-interactive',cRay: '9134aa1c28499cb9',cH: 'MX8JkHPMNaDkdhyJnngBELbn9D3vXrz5QqAj.6F5Ykg-1739783638-1.2.1.1-ieS3fvaSZnjIdur91hW.cO.Rmt9pwl8EKMgQ3p7sXyajCpAduqsMb5Ws4x0mgBKK',cUPMDTk: "\/search?q=B.%20R.%20Phanikumar&__cf_chl_tk=3TuZPQZQqJ2rbiEVaD0vpAF74y8cbknqpvEJJHBYkJk-1739783638-1.0.1.1-eXFA6QVruTwOJR.HIVyzfASaZNy7nnjIqJeetE8x0qM",cFPWv: 'b',cITimeS: '1739783638',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/search?q=B.%20R.%20Phanikumar&__cf_chl_f_tk=3TuZPQZQqJ2rbiEVaD0vpAF74y8cbknqpvEJJHBYkJk-1739783638-1.0.1.1-eXFA6QVruTwOJR.HIVyzfASaZNy7nnjIqJeetE8x0qM",md: "GOpHCQXa0adNz8Q2FM_Gj_RKG0a3q6wT0mItYUI546c-1739783638-1.2.1.1-dSvz8HEdQyQ7Eflz9OjQE9sxJRrs1RZ9u8.ihCvbBhyFFMIVO.hcZl1Nmi3mK41hlhRphCuXrcKK.ZKNLbWMP_INZTp8DcW7lVZbLtC7hoSyUJ9Fp7mo4olM.XV0YqPH00NGHgA68x7C3yP8VIy7EY1F5rhnkP2o_Vr7d3GgndX.WkEfxnZz3jurmoMnZ6dwvcPk4cFo_hkM2N.lFr6wjlbHlKH0PiA7ZcNYPZOxPPKVIlpIywtEhbsL3BDO72LrRZKMxk8wo0plgowuyxbqvLue7GLxRuKPTVdrs6S_jxiL5Aplz2UBMQjqR86D6itLh3pJE920aoMhjmmdMvBevbXFAh7OSBPKRb81e9k4VTDyZ5K5.BYNWl0OvAXoKG21o0zi0f_NywjtSu5JxSwskqFQKHUmWTf4szANFNww3qTuyp0PoatBphalaitavyp7DAyr3gPnGKJ_rpRrIbyKmD3kZ7zNrE0jHIdU1O0NcsrKQYqVDeiaFa4Ipl88dU_BGzngup1zkWY3LsJpYX8s8z5M04aJhl1ODWi.yOrkFbviTvomoLGgeRsRnr5BacHqurw5dk5RRGk7X6fknu5WJuY58JyEbVLE3XK8lozAgNNX5K4EJYAHOZ2HywihKe6TDDbfjEdeiPEpuiEUMHifgFE_eil49lGjKLu1glkal9yFniXd1mvLu.bQGOhDCe.2_uCDxi6FyiI08IDvtyap.ba5ZuHzbOQwvu7mg3W9y3xYU295mg.LHkiZx5U47wRiFPEWJL27CMjgccXvgkGZThSy7q9VQEt3CNGn9XoE9PERQAXdwJyq5dN6cogwUzgOjjknhq4R6wc9Ef5Highb7P2E1aS9KAh9rYhf7y_OfBpUncb9VWCQ_ZX9fitj3iN6Oc8dY6DJOnnI6Nfx4IEPDUml_A9Bc6QyqgXkIM_HlWXMgbWJ8brg8j4M9YttsmZPwvar5_9dQi7pMmWmHbWpYQ3nlMqveK9EOOsvA_7fDfcEoZ76tOv9yUBplfpokgGiSEMtz.7RWND6YbCp80Lo8HvlItGHvT8w3JszRdHr6uO0FKRclFtvrmi.MQnQt1fKYKKvG3e83klaDUvZVv1LOODiI41lX_wqPKBHgM.ckjVRxq9xgLQMXkWZN7jwAHbRE7L4JcuSLEaAyB659P4FjYYBbaLaBz_GSlpyxvyvoDaiZkhN.DOfRTxNh_N.CHOsQ2RNWs2OZgF6IWkYktvOvka65aTedw6NZHRgDrJflsfES7QuqPtf_xb21I4SzsR1MvMk9Z6sgUXqS4tHKLbfVomWBl7Kfvr3GTXmD52ujnIOZF2JRLvfDdNlde_RtG.HLirmfZXaORUbp9MFflL.tEuCa2hKwsYfFVvuuzxtNQlIH7aNiE9B5cRtwrtRQ4f8fjeNzOxn3B2u4RDwbGZ8OAXd4E5zlilDNovah8gIYMsQ_fYGWf.EXj3trwYYXRsTPy3O_97wRcktsv1n9WCAoZUPI9skXrcJ4kODyN2344bWZDDRamf_zIu5KjNB9mOCVIIDfwbHQn18GVfojVFHDIGJ.zIaF7XoTgRDFH2QZJ5KtZgEf5xfqWs65YHQJ3jA01ymAIAMBQpwJVvHlWd5hQBLNbBHaonv.2uPkcTy4uep8Wyy.YpcOEqIgvQ.tIyaf3nNOcSvCzY82kBphSba3z7w6EmoMUVWCV.LtwxrFpmFjdRnPg1FzsVn3D9huusest1FQSr8vVJAplMsUmseR.DSajooNT2RDh2vDNwxENkTngsdQ3idaQOAdOU03p4fpcDFWbxFp8NQHbY10mdRNAVqR15xZqUN9M29rAvKQH7GitB2wVldu9KHq2OzZ3s7dNpNhuZc.LaFJE34_xNue4xjrLw3VC3hscsp0xmtocdvJEpn9XgZEfSa1zhXjDpUKOEjdXU0x3zlaCnxvhP.Gg",mdrd: "pZ3elk5Lir8v_Mso3Q02sX3cuWvsz5z9NoECHVQnERs-1739783638-1.2.1.1-GYo72tca8sDXNh4r1aMV8uJfNeCSM_7qZ77Up9p2fErzsDRw.yQrFcPoTALhER1XNjnid1B7sICH2IhA34.tg.zDXT5GCDqhLn80HfoCYq_7wUN7vKWWh9CbzSsBv7bIaetBm_EML5DJnXutn18tmQOsJN9otK.ixaiOO8LYBth5YiXAJ8RGR_FYagCBI0sFR37k4oiAjMnq3phaDWv58vZ8pjFFDLXex6LaX2sGBHW5PRdCYN6GMeyIDafVlY6X1aoQKqCgM4wqmV6.eK_LYnY5hgk0sl_G.6aMpR.8JHiacCzOa.FpZ4c7LgbkkMY5LvNTFkg2ltMywMtIvdCfwNzDiVlspR.qvd3.iAjVLpSg8HNGI_...aftC6Lt87VRGdl8.0blV7GhZddD5AW7Px1cfI2p0qL2fnOuoxSKdVDkVM2loKfh9Djf.OTMjVrnwW8oHgPc5qnqdwS9_aukaYu_HgpZGvj7QrjD.GbqMedncgoJ6gUxvEfNTjFU.o1PhqVrBEJqK46VtBLTr4bvZ4iZsx0f1Csgz3BLIJoFWG3nvx1kUmlYr0G.TxUeZ8hLwiCG2j4J4nuxK1odR0a9bvD.zniymcWB4mGhiFnndm_lB2yHK8t9zAoK2Y50t59oUP2iNQs4b7nUPjEofNSxU6ANwwWlrSVJ7Ugds3HH3xtVXfgD5CI53zJmg4bMWYECS0vZ9mGn2MGL2Ic2T2E6GcXSoRLibfU0yTkdlzg1wua.4VWgoq03QOSH6FVsRXZXpEX59eYUXgxIG9UD7ooxQrCAmRsegU9p1Qty80ItDQkyFMPHY3NXr9EvFX_fJEK2CMe_I1xEc5AQ_zl9LxtibkxuirlNxxfWgfQeMAEJ8hs2jEaqKwPOYAOAyMqfnNPw3wTsEWKmCLl5R2_6B2iUVaiiGc04L.j.MTo_LhPnh.ys0fl1s9RSzeYnozQGNYGGPEjVHWx8jPBrJ7imWiAfIZ_eskifx6jmM5NgqUv5h9B8tMC3Bpi9e9EomPfR4bdUm5uq2w6vNvzJwBuurExUjkJuf82H2sHmGGVyvV0xJJdtz8RoarI.5ffQL06B3VvsyGZwPrlj59hc80LFUqNaG8nHXSDjaOvWBe9VI_yANQL8D6yaH2UItN64LMlDsBistceoEfTyAV9rJmhFoqNygRXVzNjZpVMN2buJkFa4mkk7tZApqZrp_MvQDrhQcC7rxUUXWOwPaZL18USfSrb7CUluCq.eCvLjB5EZ9DmXiJ_wOCKEqWtYZceAH_NLQQzPJI70Mv0AHix.cDqS1oOv2O6KVIvpheEX7eLk0zsXHiC3TgGjJYFRg8UdnwotPxf1V1.5pF2B9AP6nvUiiFpRB6I9hv_mcW5MHbTf8MGQWyO8RUlY0Rt8x.vGoQ4IxuRKNL1L3oEOvm.FornSoaZjYkowqKBjRfEvG_H1VvL6z8vfj1qZhl_uN2mi05vYigAjMkevk89qtZ4RkdhtuDQ.y19Oqze8Asy3ijVIVhPNUJYPV4WiJeJhVMjVD60m7kkXtJeWNVSAXu9ATbgv2LNRVbD.PXDJTKoodlQuzw7K8rUhIWHvf5AKnrOEZevNGeLFEk_GM4GRByFTEcljGbhN3kFy87VhDb9awjAl7yzI6LX2Ai7fW0zka8TF7e.BPgAeG.SP.Q1QjxYO2plHttbNq708ixjp1A2QRA_9M7hGjwY6.PZ9vcbr9v4KDb6UzvWU.NoMuh7iaXQuMrpR5WXlw26IGlkDdVqVxQOQ7WQQ311u9PEFj8uDkoNB2FiADyPqOaxD.KQsYE.1fgybKrQpfW.yub1dMEqfmgD53RbxLXYVnvaK3LfWGiiLKd06izmglkOz0R8h6H8OtaGEfDRC7FgZXnGc6nrnhVraQSu_utMEuCOR3zN4u0nIdCRsw.Q62AYhlRNxejyTTLx4GNLoftnVJ0MW.Fu8OdUTDCPTUE6RO49mQ_y74s917BRby0_e"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9134aa1c28499cb9';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/search?q=B.%20R.%20Phanikumar&__cf_chl_rt_tk=3TuZPQZQqJ2rbiEVaD0vpAF74y8cbknqpvEJJHBYkJk-1739783638-1.0.1.1-eXFA6QVruTwOJR.HIVyzfASaZNy7nnjIqJeetE8x0qM" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>