Registered office
Vivek Sharma
Sole Proprietorship
GSTIN 17OIVPS6344J1Z0
191
Near Mira Store
Rilbong
Shillong
Meghalaya 793004
India
Support
Email stroma.os.india@gmail.com
Phone +91 8132004645
Hours Monday to Friday, 10:00-18:00 IST, excluding public holidays
We aim to answer email within one business day. A door that is not opening is an emergency and jumps the queue — say so in the subject line.
Complaints
Anything unresolved goes to the Grievance Officer, who is named, reachable, and has a deadline.