Technical Dwipayan is an empanelled rooftop solar vendor serving Kolkata (Khardaha), West Bengal under MNRE’s PM Surya Ghar (RTS Phase‑II). Listed on the National Portal (WBSEDCL) and/or verified via official company contact page. Address: G2 & G5, Rajnandini Villa, Khardaha Thana Road, North 24 Parganas, Kolkata 700116. Contact: Email: dwipayandey33@gmail.com | Phone: 9775550672. Services: Rooftop PV (on‑grid/off‑grid), site survey, installation & maintenance. Vendors can claim this listing on SolSetu to update details, photos & offers.