Ravindra (Architect) 06 September 2014
T. Kalaiselvan, Advocate (Advocate) 09 September 2014
First of all if they appear to violate the terms and conditions of sale agreement or if their demands are unjustified and extortion, you may consult a local lawyer and issue a lawyer's notice suitably, if hey do not respond, they may be drawn to consumer court for deficiency and high handed activities.