PSLV-C5
... that in 2003, PSLV-C5 deployed the IRS-P6 satellite, then the heaviest and most sophisticated remote sensing satellite built by the Indian Space Research Organisation?
... that in 2003, <b id="mwBTU"><a href="./PSLV-C5" id="mwBTY" rel="mw:WikiLink" title="PSLV-C5">PSLV-C5</a></b> deployed the <a href="./Resourcesat-1" id="mwBTc" rel="mw:WikiLink" title="Resourcesat-1">IRS-P6</a> satellite, then the heaviest and most sophisticated remote sensing satellite built by the <a class="mw-redirect" href="./Indian_Space_Research_Organisation" id="mwBTg" rel="mw:WikiLink" title="Indian Space Research Organisation">Indian Space Research Organisation</a>?