Hi, @rajuser09
Welcome to the forum.
Can you please post a copy of your circuit, a picture of a hand drawn circuit in jpg, png?
Hand drawn and photographed is perfectly acceptable.
Please include ALL hardware, power supplies, component names and pin labels.
What model Arduino are you using?
Have you tired the EXAMPLE codes that come with the library?
#include "Adafruit_VL53L0X.h"
Adafruit_VL53L0X lox = Adafruit_VL53L0X();
void setup() {
Serial.begin(115200);
// wait until serial port opens for native USB devices
while (! Serial) {
delay(1);
}
Serial.println("Adafruit VL53L0X test.");
if (!lox.begin()) {
Serial.println(F("Failed to boot VL53L0X"));
while(1);
}
// power
Serial.println(F("VL53L0X API Continuous Ranging example\n\n"));
// start continuous ranging
lox.startRangeContinuous();
}
void loop() {
if (lox.isRangeComplete()) {
Serial.print("Distance in mm: ");
Serial.println(lox.readRange());
}
}
Remember to set your IDE monitor speed to 115200 baud.
Tom.. 
