How to lock the account ?

No. Not possible. Secondly, that will be a kind of extortion on your part.

@ Dhirajlal ji, as far as extortion is concerned, I don't care.
The client has latest iPhone (1,36,000), he travels in Creta (15,00,000), he just had been to Maldives (3,50,000).
My fees - 18,000, pending since last year.

I Absolutely agree with deepanshu , & even whether the client is financially sound or not ...........  client has to pay fees ........    User id password is the only key where professionals are dependent because once the work is complete some times clients never pick up the calls too.   

 

@ Narendra,

Yes, I agreed with You. And also feel the same as Deepanshu. Bcoz, It's happen to all of us.

But, The said way not correct or good or legal. Also we are professional then we must be professional...

So, Ask the fees again and again.
Otherwise waiting for our turn...

Sorry for the Inconveniences...

@ raja p m ji,
you are right as far as professional behaviour is concerned. That's why I have been keeping patience since last year. But what about the behaviour of the client ?
There are some clients who don't give importance to our words. For such people a strong action is required. I can't go to the client & fight with them. That way they will surely not give money. The best way is to somehow block their account & compel them to give us our due fees.

Yes, I agreed.

But, It's not legal. Also it's not possible.

Yes Agreed With You @ Raja P M Ji ........ ........ & @ Deepanshu ................. .......