Hi Lakshimka. The procedure for applying for a passport is the same throughout India.
There are two ways that you can apply for a passport online or offline where you have to go in submit your application by hand.
Whether you wish to apply for a passport online or offline you need to visit the
Indian passport site, where you would be able to print out an application form and also make your online application.
The official passport site would look like the image given below, so don't be mistaken to visit any other site which may be fake.
You need to click on the Forms and Affidavits tab in the 'Before You Apply' section. From there you would choose the relevant form required. The 'Before You Apply' section would also guide you to other queries you may have about the documents required and other information.
For online applications please follow the procedure given below:
If you are going to apply by printing out an application form you can submit your application form at the following passport Seva Kendra:
Regional Passport Office
Chennai
Tamil Nadu
044 2851 8848
Passport Seva Kendra Saligramam
Chennai
Tamil Nadu
044 2851 3640