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ITC Sonar houses several dedicated event spaces including the Grand Ballroom, which is the flagship banquet venue suited for large receptions and conferences, alongside smaller meeting rooms and boardrooms for breakout sessions. The outdoor lawns add significant capacity for cocktail evenings and pre-function setups. Planners can explore individual room capacities and floor plans directly on the Spalba listing for ITC Sonar.

ITC Sonar features a landscaped outdoor lawn that is well suited for cocktail receptions, sangeet ceremonies, and pre-function gatherings. The outdoor space complements the indoor banquet halls, allowing planners to design multi-zone event formats. Weather-dependent bookings may require contingency planning; the hotel's on-site events team can advise on marquee and cover arrangements based on the season.

ITC Sonar operates a fully in-house catering setup, a hallmark of the ITC Hotels group's celebrated culinary programme. Menus span Indian regional cuisines, Continental, Oriental, and Mughlai options, with dedicated Jain and vegetarian menus available on request. The property is known for its 'Responsible Luxury' sourcing philosophy. Alcohol is served and managed in accordance with West Bengal excise regulations. Enquire via Spalba for customised menu packages.

ITC Sonar's event spaces are equipped with professional-grade audio-visual systems including LED displays, projectors, PA systems, and high-speed Wi-Fi connectivity suited for hybrid and in-person corporate formats. A dedicated technical and banqueting operations crew supports event execution. Planners organising large MICE conferences should confirm specific AV specs and bandwidth requirements with the hotel's events coordinator through the Spalba enquiry channel.

ITC Sonar offers 237 rooms and suites spread across its distinctive low-rise, waterway-facing layout in Kolkata. Room categories include Superior Rooms, Executive Club Rooms, and premium Suites. This inventory is well suited for multi-day corporate conferences, destination weddings, and MICE programmes requiring block accommodation. Early group room block requests are recommended during peak season; the Spalba listing can direct planners to the enquiry form.

ITC Sonar is located in the Science City area of Kolkata, approximately 15 to 20 kilometres from Netaji Subhas Chandra Bose International Airport depending on the route taken. Travel time typically ranges from 30 to 50 minutes by road, subject to Kolkata traffic conditions. This hotel is a preferred luxury venue for corporate travellers and wedding guests flying into Kolkata from across India. Spalba's listing page includes location details.

The nearest Kolkata Metro station to ITC Sonar is the Science City or Ruby More area on the East-West corridor, though guests typically rely on taxis or hotel transfers given the distance from current operational metro lines. The hotel provides or can arrange airport and city transfers. Event planners booking outstation delegations are advised to coordinate transport logistics directly with the hotel's concierge team via the Spalba contact channel.

ITC Sonar provides on-site parking for event guests, with valet parking services available as part of the hotel's operational standard. The property's layout accommodates a reasonable number of vehicles for mid-to-large events. For high-attendance banquet events or weddings, planners are advised to confirm parking capacity and valet arrangements in advance. Details on overflow parking options can be discussed during the venue coordination call initiated through Spalba.

For luxury hotel wedding bookings in Kolkata, ITC Sonar is typically reserved six to twelve months in advance, particularly for peak season dates spanning October through February and April through May. Corporate MICE bookings with large room blocks benefit from enquiring at least four to six months ahead. Planners can submit a detailed event enquiry directly through the Spalba listing for ITC Sonar to check current availability and initiate discussions.

ITC Sonar's event booking policies, including advance deposit requirements and cancellation terms, are governed by the hotel's standard banqueting contract and vary depending on event size, season, and room block requirements. Specific terms are confirmed at the time of booking. Planners are encouraged to request the detailed booking agreement during initial discussions. The Spalba enquiry tool can help establish the first point of contact with ITC Sonar's events team.

As part of the ITC Hotels group, ITC Sonar issues fully GST-compliant tax invoices for corporate event bookings, banqueting, accommodation, and ancillary services. Corporate clients can provide their GSTIN at the time of booking for input tax credit eligibility. The hotel's accounts and events team can coordinate consolidated billing for multi-day MICE programmes. Planners can initiate billing structure discussions through the Spalba enquiry form on the property listing page.

ITC Sonar provides dedicated banqueting and events coordinators who manage multi-function wedding programmes including Mehendi, Sangeet, wedding ceremony, and reception across the property's indoor and outdoor spaces. The hotel's in-house culinary, décor, and operations teams collaborate on wedding logistics. For couples planning destination weddings or multi-day celebrations in Kolkata, the Spalba listing for ITC Sonar offers a direct channel to connect with the hotel's weddings team.

ITC Sonar's premium suite inventory, including its larger Suite categories, can serve as dedicated bridal suites for wedding couples and their immediate families. These rooms provide comfortable preparation spaces on wedding day. Availability is subject to the overall room block and event contract. Couples are advised to specifically request bridal suite allocation at the time of initial booking; this can be flagged via the Spalba enquiry submitted to the property.

ITC Sonar combines 237 keys of accommodation with multiple scalable banquet and conference spaces, in-house catering managed under ITC's culinary standards, and professional AV support under a single property. Its waterway-facing landscape and ITC's Responsible Luxury certification also serve as distinctive credentials for sustainability-conscious corporate clients. The combination of rooms, food and beverage, and technical infrastructure makes it a strong contender for large multi-day MICE programmes in Kolkata.