Contact UPS, ask if their Pack and Ship program will ship to you in India.
IF so, you get the size and weight, prearrange with UPS (your credit card), then any seller just drops it off, unpackaged, at their local UPS with P&S services.
from AI
"Yes, UPS and The UPS Store pack and ship items internationally. The UPS Store locations offer expert packing services for international shipments, including specialized packaging for large or odd-shaped items like furniture using methods such as custom cartons, crating, and palletizing. When you pack and ship your items using materials purchased from a The UPS Store location, your package is covered by their Pack & Ship Guarantee, which covers the cost of packing and shipping plus the value of the items if they are lost or damaged.
UPS provides a comprehensive suite of international shipping services to over 220 countries and territories, utilizing more than 2,000 daily flights. They offer various delivery options ranging from same-day UPS Express Critical® to economical UPS Worldwide Economy® (5–8 days). Additionally, UPS assists with customs clearance regulations, documentation, and tracking to ensure smooth cross-border delivery."