Mega Calibre Enterprises Pvt. Ltd. is an empanelled rooftop solar vendor serving Kolkata, 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: 06/315, Action Area – I, New Town, Rajarhat, Kolkata 700156. Contact: Email: anishm@megacalibre.com | Phone: 7003152692, 9836521057. Services: Rooftop PV (on‑grid/off‑grid), site survey, installation & maintenance. Vendors can claim this listing on SolSetu to update details, photos & offers.