Dell India — No proper service from dell kolkata service centre

Address:

Kolkata, West Bengal, 700025

Service tag- g8tswki

no service is provided, no status details or no information regarding the condition of the laptop provided since 1 month after depositing the laptop with dell kolkata authorised service centre and rs.1364... Very very dissappointed and extremely poor service provided, not expected from dell.
Frustratred as cannot do any work for more than a month, don't know what to do ? still do not know when will i get back my laptop and in what condition it would be ? very poor, worst experience...