Mizuho Bank is a financial institution registered with the Director of Kanto Local Finance Bureau (Tokin) No.6, and a member of Japan Securities Dealers Association,

Yes Mizuho Bank has its branches in India, here I am providing its branches info which located in Delhi and Mumbai :

Mumbai Branch
Address
Level 17 TOWER–A Peninsula Business Park,
Senapati Bapat Marg,
Lower Parel, Mumbai 400013. India
Tel. 91-22-4911-2000

Open Monday - Saturday (except Second and Fourth Saturdays)
Activities
-Deposit-taking
-Lending
-L/C issuance, acceptance and confirmation
-Acceptance and negotiation of import/export bills
-Remittance, forward exchange contracts
-Guarantees

New Delhi Branch
Address
1st Floor, DLF Capitol Point,
Baba Kharag Singh Marg,
Connaught Place,
New Delhi, 110001, India
Tel. 91-11-3041-0900

Open Monday - Saturday (except Second and Fourth Saturdays)
Activities -Deposit-taking
-Lending
-L/C issuance, acceptance and confirmation
-Acceptance and negotiation of import/export bills
-Remittance, forward exchange contracts
-Guarantees