pd.to_datetime("2015-11-18 15:30:00+05:30").tz_localize('UTC').tz_convert('Asia/Kolkata') returns '2015-11-18 16:30:00+0530'
running "pd.to_datetime("2015-11-18 15:30:00+05:30").tz_localize('UTC').tz_convert('Asia/Kolkata')" returns following o/p

Timestamp('2015-11-18 16:30:00+0530', tz='Asia/Kolkata')

It should have returned as Timestamp('2015-11-18 15:30:00+0530', tz='Asia/Kolkata') as no daylight saving is applicable in India.
