There has been data ("UPSC-ES Electronics & Telecommunication Engineering - Paper 1 & 2: Objective & Conventional Paper (1999 - 2013): Objective & Conventional Paper (2000 - 2013)") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Thu Jan 23 11:57:51 2020, so the data displayed here has been removed .