They use touch or smell because if they are blind you can smell because coins smell like metal... anyway if touch you can touch stuff by a bit of help of smell. Have a good day :)
The standard currency of India is rupees. As India was a British concern, until the 50's, there may still be some British coins in circulation. Many coins minted today are of commemorating special people and events.
India, Nepal, and Pakistan use rupee coins.
By RBI
Coins and notes are designed with specific features to assist blind individuals in handling money effectively. Coins often have varying sizes, weights, and textures, allowing users to distinguish them by touch. Similarly, banknotes incorporate raised lines, different sizes, and distinct colors, with many also featuring tactile elements like braille or embossed patterns. These adaptations enable blind or visually impaired individuals to identify and differentiate denominations confidently.
The Reserve Bank of India is the governing body that issues currency notes and coins in India. the currency is India Rupee (INR)
check the dates on them
India
India
There are a lot of differences between Greek coins and Indian ones. Get a book about world coins, and you can learn a lot about how to identify coins.
we can reconstruct the past of the country India by coins
No, that is only a rumor.
Not Kushanas, It was Gupta's, who introduced Gold Coins in India..