Query regarding interpretation of RERA

I own a vacant plot measuring 4000 Sq. Feet in Chennai. I am planning to construct residential apartment with 9 units in the property. Since RERA is applicable when there are more than 8 residential units constructed on a plot, I have sub-divided the land into two portions, one portion that is Plot A measuring 1800 Sq. Feet and another portion that is Plot B measuring 2200 Sq. Feet and obtained necessary permission from the government authorities for the sub-division. I am going to construct 4 residential units on Plot A which is measuring 1800 Sq. Feet and 5 residential units on Plot B which is measuring 2000 Sq. Feet and obtained separate building permission plan permission for Plot A and Plot B from the government authorities to avoid registering with RERA. There is a passage measuring 200 Sq. Feet that is common to both the plots, that is Plot A and Plot B. The undivided share of land (UDS) for each buyer is calculated in the below manner: For each buyer of Plot A = (Actual land area/4) + (Common passage area/9) = (1800/4) + (200/9) For each buyer of Plot B = (Actual land area/4) + (Common passage area/9) = (2000/4) + (200/9) As shown above, the common passage are is only distributed equally among the 9 buyers. In this case should I have to register with RERA for my construction project?