diff --git a/README.md b/README.md
index 9023b4c..5ef246c 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,42 @@
 
 A python library that assists you in converting date from BS to AD and vice versa.
 
+# Installation
+
+```bash
+pip install datebs
+```
+
+## usage
+
+### Commandline
+
+convert the date 2020-07-01 into BS
+```bash
+python -m datebs BS --date 2020-07-01
+```
+
+using from python
+```python
+from .datebs import DateBS
+import argparse
+import datetime
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(prog="python -m datebs",description='Convert date from BS to AD and vice-versa')
+    parser.add_argument('calendar',type=str, help="calendar system in which date is to be displayed [AD|BS]")
+    parser.add_argument('--date',type=str, help="date opporsite to the calendar system")
+    args = parser.parse_args()
+    if (args.calendar == "BS"):
+        if args.date:
+            dateBS = DateBS.from_AD(datetime.datetime.strptime(args.date, "%Y-%m-%d"))
+        else:
+            dateBS = DateBS.from_AD(datetime.datetime.now())
+        print(dateBS)
+    else:
+        if args.date:
+            dateBS = DateBS.from_string(args.date)
+            print(dateBS.to_AD())
+        else:
+            print(datetime.datetime.now())
+```
diff --git a/datebs/__init__.py b/datebs/__init__.py
deleted file mode 100644
index 585bad4..0000000
--- a/datebs/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-from .datebs import DateBS
diff --git a/datebs/__main__.py b/datebs/__main__.py
new file mode 100644
index 0000000..c545b00
--- /dev/null
+++ b/datebs/__main__.py
@@ -0,0 +1,22 @@
+from .datebs import DateBS
+import argparse
+import datetime
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(prog="python -m datebs",description='Convert date from BS to AD and vice-versa')
+    parser.add_argument('calendar',type=str, help="calendar system in which date is to be displayed [AD|BS]")
+    parser.add_argument('--date',type=str, help="date opporsite to the calendar system")
+    args = parser.parse_args()
+    if (args.calendar == "BS"):
+        if args.date:
+            dateBS = DateBS.from_AD(datetime.datetime.strptime(args.date, "%Y-%m-%d"))
+        else:
+            dateBS = DateBS.from_AD(datetime.datetime.now())
+        print(dateBS)
+    else:
+        if args.date:
+            dateBS = DateBS.from_string(args.date)
+            print(dateBS.to_AD())
+        else:
+            print(datetime.datetime.now())
+
diff --git a/datebs/datebs.py b/datebs/datebs.py
index 2de738f..9ea165c 100644
--- a/datebs/datebs.py
+++ b/datebs/datebs.py
@@ -184,21 +184,3 @@ def days_in_month(year:int, month:int):
         return DateBS.months_in_year(year)[month-1]
 
 
-if __name__ == "__main__":
-    import argparse
-    parser = argparse.ArgumentParser(description='Convert date from BS to AD and vice-versa')
-    parser.add_argument('calendar',type=str, help="calendar system in which date is to be displayed [AD|BS]")
-    parser.add_argument('--date',type=str, help="date opporsite to the calendar system")
-    args = parser.parse_args()
-    if (args.calendar == "BS"):
-        if args.date:
-            dateBS = DateBS.from_AD(datetime.datetime.strptime(args.date, "%Y-%m-%d"))
-        else:
-            dateBS = DateBS.from_AD(datetime.datetime.now())
-        print(dateBS)
-    else:
-        if args.date:
-            dateBS = DateBS.from_string(args.date)
-            print(dateBS.to_AD())
-        else:
-            print(datetime.datetime.now())