How to install Sanchay?
1. Sanchay is a stand-alone Java application. So, it does not require any separate installation.
2. But to run Sanchay, your system needs to have JRE (Java Runtime Environment >= 7)
i) Ubuntu (>= 16.04)
Step-1: Run the following command:
sudo apt install openjdk-11-jdk
This will install Java on your system. 
Step-2: Please set your CLASSPATH as given below: 
a. https://howtech.tv/how-to-set-and-check-classpath-in-linux/
b. https://www.geeksforgeeks.org/how-to-set-classpath-in-java/
Step-3: Go to the Sanchay folder and run the following command
sh Sanchay.sh
ii) Window (>=7)
Step-1: Download and install Java-11 from the below link:
https://www.oracle.com/java/technologies/javase/jdk11-archive-downloads.html
Step-2: Set the CLASSPATH variable as given below:
a. https://www.geeksforgeeks.org/how-to-set-classpath-in-java/
b. https://docs.oracle.com/javase/tutorial/essential/environment/paths.html
Step-3: Go to the Sanchay folder and run the following command
bat Sanchay.bat