bengaluru the principal bench of the national green tribunal ngt on thursday asked the karnataka government to submit the measures it has taken on cleaning up bellandur lake by august 22 the next date of hearing in the casethe tribunal shot off questions to the government during the hearing how many rajakaluves have you cleared how much waste have you collected from the rajakaluves and particularly the lake where have you dumped it what preventive measures have you takenthe tribunal said the states answers will be verified by a court commissionerthe additional chief secretary urban development department karnataka and the chief executive offi cer lake development authority now karnataka lake conservation and development authority were told to be present at the next hearing in the casethe principal bench of ngt new delhi has been hearing the bellandur case after it took suo motu cognizance of media reports on the sad state of the water bo dies in bengaluru the namma bengaluru foundation nbf is the impleader in the case the tribunal also rejected the submission of the state government that froth in the lake was due to a cloudburst saying no cloudburst would give rise to froth and smoke on thursday the tribunal took note of the wide reportage of whats happening in bengaluru the state submitted a memo of steps taken by the government following the orders of the tribunal while seeking more time to file a detailed reply the state also submitted that the situation was completely unforeseeable for it was a cloudburst unconvinced by the memo and the submissions the tribunal sought the nbfs viewssajjan poovayya senior advocate appearing for nbf refuted the cloudburst theory by drawing the attention of the tribunal to the fact that no material was forthcoming on what the state following the tribunals orders including the failure to take up a onetime cleanupnbf also submitted audiovisual material showing the frothing in the lake after heavy rain on august 15 it submitted that despite a multitude of orders the state had done nothing and was now asking for more time to file a detailed reply