Perpetual lease

In 1901 trouble arose between state of secretary of india and mr Ravi kumar of magra in regard of the proprietorship of the said ferry (ghat) ans mr ravi kumar files titled suit 1901 in the court of the sub ordinate judge of hooghly at the said ferry ghat tle suit being compromised and all along been recorded in hooghly that the aforesaid title suit was compromised and the secretary of state for india executed a permanent lease in 1902 in the favour of Mr. Ravi kumar with request the ferry rights between station mention above. The annual rent was fixed 150 rs per year in hooghly colllectral and then there successor had ruled and enjoy that ferry ghat till 1954 and then my great grand father taken permanent Sub lease the revenue department through the court of wards that the board of revenue west bengal in order 7863 5/7/1953 permanent sub leaseon the recepit of 7000₹ with the annyal rent of 150rs, so my question is it would be permanent lease in our favour and state government can be taken?? Pls reply