A judicial magistrate is under the general control of the Sessions Judge and is subordinate to the Chief Judicial Magistrate. The First Class Magistrate decide criminal cases, which are punishable with imprisonment for a term not exceeding three years, or with fine not exceeding five thousand rupees or of both.

Among executives, the District Collector, ADM and Sub-Collector weild First Class Magisterial powers as they deal law and order issues. First Class Magistrate in India is a Judicial Officer under the Judicial Hierarchy of India.

format of your Affidavit is hereinbelow:

AFFIDAVIT

I _________ son/daughter of __________ resident of __________ do hereby solemnly affirm and declare as under:-

1.  That the exact and correct date of Birth of my son/daughter _________ is_________ who born at _________.

2. That the deponent was born in _________ Hospital, _________ on _________ and the birth event of the deponent was recorded in the said Hospital on the same vide Serial No. _________.

3. That the name of the mother of may above said son/daughter is_________.

4. That due to inadvertence, I did not register the date of birth of my above said daughter/son _________ with the concerned department at the time of birth.

Deponent

Verification:

Verified that the contents of my above affidavit are true to best of my knowledge and belief and nothing has been concealed therein.

Verified at _________ on _________

Deponent

For further clarifications I can guide you in obtaining the same if you inform your jurisdiction of police station and address to ascertain the court?

You can get an affidavit from the notary magistrate it is valid. A affidavit can be drafted and notarized it will be valid.

You can execute an affidavit in this case.  If the clause is only through first class magistrate then it has to be affirmed by him. 

Magistrate in group A category status with judicial powers are known as first class magistrate 

2) if Registration has not been done within one year; the registration can be made any time by submitting the affidavit before first class magistrate or executive magistrate. The magistrate verifies the details of affidavit and if found satisfactory, issues the order to Registrar to enter the entries of birth in birth register

It will issue at collectory, Normal procedure, single day thing. First class magistrates are RAS/revenue office under collector.

Dear Sir,

Go to the nearest Magistrate’s court and catch hold of a junior advocate.
He will get this done for you.
Otherwise, go to a Notary and his attestation has the same value.

Go to the nearest Magistrate's court and catch hold of a junior advocate. Otherwise, go to a Notary and his attestation has the same value.

MM,JM,Principal of Graduate or non-Graduate,SDM,DM,Dj or many more comes under the category but you need to get it from Municipal Corporation or from DM Office.

You can get a affidavit from the notary it will suffice for same you don't need a affidavit from Judicial magistrate.

The JM should be of the jurisdiction to your permant residence

registration of birth has to be done in delhi 

get affidavit from magistrate in Delhi only 

Any JM will do. 

Yes, if they do so by writing your birth place as Delhi.

You may have to prepare all the documents that are required to be verified by the magistrate before signing the affidavit to ascertain the purpose and the genuineness.

You may have to get the photo copies of the documents including the affidavit along with the originals to be produced before the judicial magistrate first class.

You may take the assistance of an advocate in the local.

 There is no court fee payable for this purpose.

You may not be able to gt the affidavit signed by a JMFC of a different jurisdiction other than your residential jurisdiction JMFC 

You may have to approach the jurisdictional JMFC alone.

Dear

You can get an affidavit from stamp vendor get it drafted from local advocate.

After that you can approach Judicial Magistrate First class or executive magistrate first class(Tehsil) for get it attested.