Recently bought tata bp solar 200 LPD hot max system from sunlife energies pune. Product is very good, good performance, competitive rate
Dealer gives complete information about the product. the owner himself comes for the initial talk and explanation, then rest is done by the installers. Installers also explain , do’s and dont’s about the system. You can also demand for reference check and site visits for systems installed.
Apart from this, you can call tata bp office and demand for the after sales support.