https://youtu.be/X9fqIqAx_BY

https://youtu.be/A9Q-nR3ppq0

https://youtu.be/w-A8cfv5LJM





EXCHANGE CYCLE : 45-60 DAYS (FOR FAMLY OF 4)
                                  80-90 DAYS (FOR FAMLY OF 3)
                                    140-150 DAYS (FOR FAMLY OF 1)