a general view of the bombay stock exchange bse after sensex surpassed the 50000 level for the first time in mumbai india january 21 2021 reutersfrancis mascarenhas bengaluru july 20 reuters  indian shares ended at a more than sixweek high on wednesday led by strong gains in technology firms and as oil producers climbed after the government slashed windfall taxes on local crude sales and fuel exports the nse nifty 50 index nsei ended 11 higher at 1652085 while the sp bse sensex bsesn rose 115 to 5539753 with both indexes posting their fourth straight session of gains the mood was also upbeat in broader markets as the expected resumption of russian gas supply to europe allayed fears of a recession in mumbai shares of oil producers jumped after india cut a windfall tax on oil producers and refiners and exempted gasoline from an export levy less than a month after it imposed the two charges read more the decline in windfall tax would mean better and more sustainable margins for explorers and refiners  this move would also help get back investor confidence in these stocks said rohit khatri assistant vice president of fundamental research at religare broking reliance industries relins jumped 27 while oil and natural gas corp ongcns vedanta ltd vdanns and oil india ltd gained between 36 and 61 the nifty energy index niftyenr gained 09 while the beatendown nifty it index niftyit surged 29 the it index has declined about 27 so far this year as investors dumped growth stocks in favour of value stocks due to the high interestrate environment nifty 50 components wipro wiprns and indusind bank inbkns ended higher ahead of their junequarter earnings reports meanwhile the indian rupee fell to a record closing low of 7999 against the dollar reporting by chris thomas in bengaluru editing by maju samuel