Take a look at this :
*www.hifivision.com/threads/boston-acoustics-a26-bookshelf-speakers.87440/
If you like this, then you'll have to buy an amp. You can get the following:
Micca OriGain Compact Stereo Integrated Amplifier 50W x 2 (Black) Amazon.in
Input options can be expanded using switches and splitters. You can purchase them separately as per your needs. Here are a few products which might be helpful
Buy CABLESETC 4-Way AV Switcher 4
FiiO D03K Coaxial/Optical to Stereo Audio Converter Amazon.in
TP-Link Bluetooth 4.1 Music Receiver Amazon.in
At your budget, used products will give you the best value for money.