Reach a real person at RJ Digital Alliance. Call or message during shop hours for stock checks, compatibility advice, bulk quotations, repair estimates or help with an existing order — or come to the counter at Lamington Road, Mumbai.
We will never ask you for a password, OTP, UPI PIN, CVV or full card number through any of these channels.
How to reach us
Phone and WhatsApp: +919372383903. This is the fastest way to check whether something is in stock before you travel.
Email: Support@rj-quantum.com. Please include your order number, quotation reference or invoice number so we can find your record straight away.
We answer during shop hours: Mo-Sa 10:00-21:30. Messages received outside those hours are answered the next working day.
For your own safety, we will never ask you for a password, OTP, UPI PIN, CVV or full card number — not by phone, not by email, not on WhatsApp. If anyone asks you for those claiming to be from us, it is not us.
Visit the shop
RJ Digital Alliance, Shop No. 2, Lamington Road, Grant Road East, Mumbai, Maharashtra 400007, India.
Open Mo-Sa 10:00-21:30.
Come in to see stock, collect an order, drop off a device for repair or discuss a custom build. Orders placed online can be collected from the counter the same day once stock is confirmed.
Before you buy: stock availability, current price, compatibility between parts, delivery timing to your PIN code, and quotations for bulk or business orders.
After you buy: order status, delivery, invoices and GST documents, returns and replacements, warranty claims and repair progress.
Phone or WhatsApp on +919372383903 during shop hours (Mo-Sa 10:00-21:30). Email is answered the same or next working day.
Can I check stock before travelling to the shop?
Yes, and we recommend it. Call +919372383903 with the model you want and we will confirm whether it is on the shelf and can hold it for you.
Who do I contact about an existing order?
Use the same phone, WhatsApp or email and quote your order number. You can also see live order status by signing in to your account.
How do I raise a complaint or grievance?
Contact us by phone or email with your order or invoice reference and a description of the problem. If it is not resolved to your satisfaction, our policy pages set out the escalation route and your statutory rights, which we never limit.