Tender For corrigendum : supply of hydrogen cooler b for 2x210 mw generator as per is 2062. generator type - thri 108/39 in ptpp, parichha, jhansi (up)-284305 - supply of hydrogen cooler b for 2x210 mw generator as per is 2062. generator type - thri 108/39 in ptpp, parichha, jhansi (up)-284305.