Solution:
The Institute of Petroleum Reservoir Studies is located in Ahmedabad. Institute of Reservoir Studies (IRS), set up in May 1978 in Ahmedabad, is the nodal agency for formulating the development schemes of oil and gas fields of ONGC. The emphasis is on Integrated Reservoir Management combining seismic, geological, well logging, reservoir and production data.

Solution:
The deepest land locked and protected port in India is Visakhaptanam. There is no landlocked port in India. However, if you meant which is the deepest port in India, it is Vishakapatnam, which is naturally deep and hence, called a natural harbour.

Solution:
The bridge of sand and rock in the Palk Strait between India and Sri Lanka is Adam's Bridge. The bridge is 30 miles (48 km) long and separates the Gulf of Mannar (southwest) from the Palk Strait (northeast).

Solution:
Flash point is not relevant for the study of climate. The flash point is the lowest temperature at which a volatile substance evaporates to form an ignitable mixture with air in the presence of an igneous source and continues burning after the trigger source is removed.

Solution:
The northern mountains are of great importance to India because they don't protect the country from invasion.

Solution:
The National Geophysical Research Institute is located in Hyderabad. The National Geophysical Research Institute is a geoscientific research organization established in 1961 under the Council of Scientific and Industrial Research, India's largest Research and Development organization.

Solution:
Narmada and Tapi flow into the Gulf of Khambat. The gulf receives many rivers, including the Sabarmati, Mahi, Narmada (Narbada), and Tapti. Its shape and its orientation in relation to the southwest monsoon winds account for its high tidal range (40 feet [12 metres]) and the high velocity of the entering tides.