In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No error'. The reason for (1)/ his failure is because (2)/ he didn't study at all. (3)/ No Error (4)
Indian Space Research Organisation (ISRO) and Jet Propulsion Laboratory (JPL) of NASA are working on world’s most expensive earth-imaging satellite to use dual frequency. Its name is ______