The main difference between the above two plans is the Sum Assured -
LIC Anmol Jeevan I – Plan 164
Minimum Sum Assured: Rs.5,00,000/-
Maximum Sum Assured: Less than 25,00,000 /-

LIC Amulya Jeevan I – Plan 190
Minimum Sum Assured: Rs.25,00,000/-
Maximum Sum Assured: No Upper Limit

If you want to cover the life insurance less than Rs.25 Lakhs than go for LIC Anmol Jeevan Term Insurance Policy and if you want to cover much more life insurance than go for LIC Amulya Jeevan Policy.