Mr .Sharma, our representative (a)/ he will attend the meeting (b)/ on our behalf.(c)/ No error (d)

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'. Mr. Mukesh Bhatnagar our (1)/ colleague he will attend (2)/ the meeting on our behalf. (3)/ No Error (4)