How long is the period of long term loan ?

 Long Term usually last between  more than three and ten years, but may last as long as 30 years in some cases.

if the loan exists more than a year, then it is considered as long term loan 

loan is 3 month net salary, deducted in 36 month.

3 years to 5 years is the maximum loan.

according to the general books of accounts its about three to five years of time 

It depends on many factors that are clearly stipulated on the agreements, but for long-term loan the minimal period is 10 years.  

In general long term loans have a repayment periods of three years