As you have asked about the office locations of the Bank of America Merrill Lynch in India, I am giving you information about it, check below for the details

The bank has its India headquarters in Mumbai

Mumbai
Express Tower
Ground, 16th, 18th & 19th Floor
Nariman Point
Mumbai, Maharashtra 400 021
Tel: +91.22.6632.3000

Other Office Locations:

Bengaluru
5th Floor, B Wing
Salarpuria Windsor
No. 3, Ulsoor Road
Bengaluru (Bangalore), Karnataka 560 042
Tel: +91.80.6648.4300

Kolkata
JK Millennium Centre
Block B, 46 D, Jawaharlal Nehru Road
Kolkata, W. Bengal 700 071
Tel: +91.33.6634.5003

New Delhi
1st and 2nd Floor, DLF Centre
Sansad Marg
New Delhi 110 001
Tel: +91.11.6616.2000

Chennai
EA Chambers
Express Avenue, 8th Floor No.49, 50 L, Whites Road
Royapettah, Chennai - 600 014
Tel: +91.44.4290.4590