Birth Of place change in passport

My spouse has wrong place of birth in her passports. We are filing for her passport renewal, She did not had any birth certificates. So place of birth was put according to her educational documents. Recently She got her birth certificate issued and we wanted it to change the plan of birth according to her BC. Her birth certificate was issued from Sidharthnagar, Nepal. Her passports was issued from Lucknow. Currently we are in USA and when he approached Indian embassy here, they asked us to get a court order from first class magistrate or above. Now we want a good lawyer who can handle our case to get it done soon. I have few questions... 1. What is the whole procedure?? 2. Can the whole thing be manage without our presence as we will be in USA. If yes how?? 3. What are the documents required for the process?? 4. What original documents would be mandatory as the originals would be with us... 5.How long will it take to get it done?? 6. What will be total expenses? 7.From where we have to file the case?? 8. Kindly provide your cell number to contact you back....my email address is Leena.lko at g..mail ...co..m