All the above are the benefits of sea weeds.

The temples of Brihadeswara at Thanjavur, Gangaikonda Cholapuram and Darasuram were built during the reigns of Rajaraja Chola and his son, Rajendra Chola.

Statement 1 is correct while statement 2 is incorrect.
Pattachitra is a general term for traditional, cloth-based scroll painting based in Odisha. Most of these paintings depict stories of Hindu deities.
These paintings are based on Hindu mythology and specially inspired by Jagannath and Vaishnava sect. All colours used in the Paintings are natural. The ‘pattachitra’ resemble the old murals of Odisha especially religious centres of Puri, Konark and Bhubaneshwar region, dating back to the 5th century BC.

Under Telegraph Act, 1885, the government can intercept calls only in certain situations — the interests of the sovereignty and integrity of India, the security of the state, friendly relations with foreign states or public order, or for preventing incitement to the commission of an offence. These are the same restrictions imposed on free speech under Article 19(2) of the Constitution.

Open Skies Treaty is an accord between over 30 countries that allows participants to fly unarmed reconnaissance flights over any part of their fellow member states.
First proposed in 1955 by former US President Dwight Eisenhower as a means to deescalate tensions during the Cold War, the landmark treaty was eventually signed in 1992 between NATO members and former Warsaw Pact countries following the demise of the Soviet Union.
Features of the treaty:
Under the treaty, a member state can “spy” on any part of the host nation, with the latter’s consent.
A country can undertake aerial imaging over the host state after giving notice 72 hours before, and sharing its exact flight path 24 hours before.
The information gathered, such as on troop movements, military exercises and missile deployments, has to be shared with all member states.
Only approved imaging equipment is permitted on the surveillance flights, and officials from the host state can also stay on board throughout the planned journey.