diff --git a/scripts/Calender/calender.py b/scripts/Calender/calender.py
new file mode 100644
index 0000000..5d60a7c
--- /dev/null
+++ b/scripts/Calender/calender.py
@@ -0,0 +1,56 @@
+from tkinter import *
+import tkinter as tk
+from PIL import ImageTk, Image
+import calendar
+root = tk.Tk()
+root.geometry('400x300')
+root.title('Calender-Techarge')
+root.iconbitmap("calender-ico.ico")
+
+
+def show():
+
+        m = int(month.get())
+        y = int(year.get())
+        output = calendar.month(y,m)
+
+        cal.insert('end',output)
+
+def clear():
+        cal.delete(1.0,'end')
+
+def exit():
+        root.destroy()
+
+
+img = ImageTk.PhotoImage(Image.open('calendar.png'))
+label = Label(image=img)
+label.place(x=170,y=3)
+
+
+
+m_label = Label(root,text="Month",font=('verdana','10','bold'))
+m_label.place(x=70,y=80)
+
+month = Spinbox(root, from_= 1, to = 12,width="5") 
+month.place(x=140,y=80) 
+  
+y_label = Label(root,text="Year",font=('verdana','10','bold'))
+y_label.place(x=210,y=80)
+
+year = Spinbox(root, from_= 2020, to = 3000,width="8") 
+year.place(x=260,y=80) 
+
+
+cal = Text(root,width=33,height=8,relief=RIDGE,borderwidth=2)
+cal.place(x=70,y=110)
+
+show = Button(root,text="Show",font=('verdana',10,'bold'),relief=RIDGE,borderwidth=2,command=show)
+show.place(x=140,y=250)
+
+clear = Button(root,text="Clear",font=('verdana',10,'bold'),relief=RIDGE,borderwidth=2,command=clear)
+clear.place(x=200,y=250)
+
+exit = Button(root,text="Exit",font=('verdana',10,'bold'),relief=RIDGE,borderwidth=2,command=exit)
+exit.place(x=260,y=250)
+root.mainloop()
\ No newline at end of file
diff --git a/scripts/Calender/readme.txt b/scripts/Calender/readme.txt
new file mode 100644
index 0000000..90d8919
--- /dev/null
+++ b/scripts/Calender/readme.txt
@@ -0,0 +1,8 @@
+###Calender App using Python
+This is an simple calender gui using python.
+
+#Steps:
+*We will require tkinter and calender module.
+*pip install tkinter
+*pip install calendar module
+*Run- python calender.py
\ No newline at end of file
diff --git a/scripts/Message Encoder and Decoder/README.md b/scripts/Message Encoder and Decoder/README.md
new file mode 100644
index 0000000..b3f5fe2
--- /dev/null
+++ b/scripts/Message Encoder and Decoder/README.md	
@@ -0,0 +1,20 @@
+# Message Encoder and Decoder
+
+A web application used to encrypt and decrypt text messages. 
+- For the encodings listed in RFC 4648, it offers encoding and decoding functions.
+
+## Tech Stack 🛠
+![Python](https://img.shields.io/badge/Python-3.9-yellowgreen)
+![Streamlit](https://img.shields.io/badge/Streamlit-0.85.1-red)
+![base64](https://img.shields.io/badge/-base64-lightgrey)
+
+## Features ⚡
+
+- Encoding and Decoding using Private Key
+- Neat and Clean UI
+
+## Demo 👀
+
+[streamlit-app-encode-decode.webm](https://user-images.githubusercontent.com/81156510/183291295-e759eb45-0c1c-4d4e-9f5a-e2f3f95f8a72.webm)
+
+<hr>
\ No newline at end of file
diff --git a/scripts/Message Encoder and Decoder/app.py b/scripts/Message Encoder and Decoder/app.py
new file mode 100644
index 0000000..ac24753
--- /dev/null
+++ b/scripts/Message Encoder and Decoder/app.py	
@@ -0,0 +1,45 @@
+import streamlit as st
+import base64
+
+# Function to Encode
+
+def Encode(key, message):
+    enc=[]
+    for i in range(len(message)):
+        key_c = key[i % len(key)]
+        enc.append(chr((ord(message[i]) + ord(key_c)) % 256))
+        
+    return base64.urlsafe_b64encode("".join(enc).encode()).decode()
+
+
+# Function to decode
+
+def Decode(key, message):
+    dec=[]
+    message = base64.urlsafe_b64decode(message).decode()
+    for i in range(len(message)):
+        key_c = key[i % len(key)]
+        dec.append(chr((256 + ord(message[i])- ord(key_c)) % 256))
+        
+    return "".join(dec)
+
+message = st.text_input('Message Text')
+
+key = st.text_input(
+    "Private key", type="password"
+)
+
+mode = st.selectbox(
+    "What action would you like to perform?",
+    ("Encode", "Decode")
+)
+
+if st.button('Result'):
+    if (mode == "Encode"):
+        # Encode(key, message)
+        st.write(Encode(key, message))
+    else:
+        st.write(Decode(key, message))
+else:
+    st.write('Please enter all the required information!!')
+
diff --git a/scripts/battery_notification/README.md b/scripts/battery_notification/README.md
new file mode 100644
index 0000000..49f7912
--- /dev/null
+++ b/scripts/battery_notification/README.md
@@ -0,0 +1,13 @@
+This python File used to give notification about your battery percentage of the device.
+
+
+Pre-requisites:-you need to install python on your desktop along with some awesome packages as follows:-
+
+1.)psutil :-pip install psutil
+
+2.)pynotifier :- pip install py-notifier
+
+3.)win10toast :- pip install win10toast
+
+
+thanks for reading!!
diff --git a/scripts/battery_notification/battery_notification.py b/scripts/battery_notification/battery_notification.py
new file mode 100644
index 0000000..f931e78
--- /dev/null
+++ b/scripts/battery_notification/battery_notification.py
@@ -0,0 +1,19 @@
+# pip install psutil
+import psutil
+
+battery = psutil.sensors_battery()
+plugged = battery.power_plugged
+percent = battery.percent
+
+if percent <= 30 and plugged!=True:
+ 
+    # pip install py-notifier
+    # pip install win10toast
+    from pynotifier import Notification
+
+    Notification(
+        title="Battery Low",
+        description=str(percent) + "% Battery remain!!",
+        duration=5,  # Duration in seconds
+        
+    ).send()
\ No newline at end of file
diff --git a/scripts/battery_notification/requirement.txt b/scripts/battery_notification/requirement.txt
new file mode 100644
index 0000000..f7d064a
--- /dev/null
+++ b/scripts/battery_notification/requirement.txt
@@ -0,0 +1,3 @@
+psutil==5.7.2
+py-notifier==0.1
+win10toast==0.9
\ No newline at end of file
diff --git a/scripts/otp_generator/generateOTP.py b/scripts/otp_generator/generateOTP.py
new file mode 100644
index 0000000..6187c2f
--- /dev/null
+++ b/scripts/otp_generator/generateOTP.py
@@ -0,0 +1,13 @@
+import random
+def otp(num):
+    result=""
+    if(len(str(num))==10):
+        for i in range(6):
+            digit=str(random.randint(0,9))
+            result=result+digit
+        return result
+    else:
+        s="Enter a valid mobile number!"
+        return s
+        
+print(otp(9874453920))
\ No newline at end of file
diff --git a/scripts/otp_generator/readme.md b/scripts/otp_generator/readme.md
new file mode 100644
index 0000000..d30d3de
--- /dev/null
+++ b/scripts/otp_generator/readme.md
@@ -0,0 +1,5 @@
+
+# OTP GENERATOR
+
+In this project, a 6 digit OTP will be auto generated when user gives a valid 10 digit mobile number. This is written in python and can be implemented in websites as well for authentication.
+