1. You should track you parcel here:
http://en.4px.com/

Left side under under tracking.

2. The seller choose that company for your parcel:
Global Fulfillment Services

Also called E-order in 4PX, it is a customized global warehouse fulfillment service which gives you the flexibility to stock your products in China or overseas and deliver by local courier.

-Warehousing network in the worldwide
-Cost efficiency
-Inventory management
-Logistics distribution
-Order handling within 24hours
-State-of-the-art fulfillment software-WMS, user friendly and free to access
-24/7 warehousing security

3. If you wanted that your parcel been sent by another means, it was up to you to decide when you order the article you bought through the seller.

4. This type of service, can bring the parcel up to your country and then it's given to your country Post Office for Customs inspection and delivery. Your parcel can be follow all the way up to possibly the departure of the parcel from China but after that nothing else.

5. According to the 4PX site your parcel arrive in Singapore and nothing after that. You should contact seller and tell him that the parcel is block in Singapore since the 21 Aug:

ServeCode ShipperCode Product Destination LastTrack
S000000584844 LP00054084939295 AESGOM+ INDIA 2016-08-21 18:13，SINGAPORE / Arrive at Airport
2016-08-21 18:13
SINGAPORE / Arrive at Airport
2016-08-20 21:00
HONGKONG / Hand over to airline
2016-08-20 20:05
HONGKONG / Arrive at facility
2016-08-20 17:48
Shenzhen,China / Depart from facility
2016-08-18 08:58
Guangzhou,China / Shipment arrived at facility

Hope this help.